Search (1655 results, page 1 of 83)

0.42478722 = product of:
  0.84957445 = sum of:
    0.121367775 = product of:
      0.36410332 = sum of:
        0.36410332 = weight(_text_:3a in 973) [ClassicSimilarity], result of:
          0.36410332 = score(doc=973,freq=2.0), product of:
            0.32392493 = queryWeight, product of:
              8.478011 = idf(docFreq=24, maxDocs=44218)
              0.038207654 = queryNorm
            1.1240361 = fieldWeight in 973, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              8.478011 = idf(docFreq=24, maxDocs=44218)
              0.09375 = fieldNorm(doc=973)
      0.33333334 = coord(1/3)
    0.36410332 = weight(_text_:2f in 973) [ClassicSimilarity], result of:
      0.36410332 = score(doc=973,freq=2.0), product of:
        0.32392493 = queryWeight, product of:
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.038207654 = queryNorm
        1.1240361 = fieldWeight in 973, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.09375 = fieldNorm(doc=973)
    0.36410332 = weight(_text_:2f in 973) [ClassicSimilarity], result of:
      0.36410332 = score(doc=973,freq=2.0), product of:
        0.32392493 = queryWeight, product of:
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.038207654 = queryNorm
        1.1240361 = fieldWeight in 973, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.09375 = fieldNorm(doc=973)
  0.5 = coord(3/6)

Content

Vgl.: http%3A%2F%2Fcreativechoice.org%2Fdoc%2FHansJonas.pdf&usg=AOvVaw1TM3teaYKgABL5H9yoIifA&opi=89978449.

0.35398936 = product of:
  0.7079787 = sum of:
    0.10113981 = product of:
      0.30341944 = sum of:
        0.30341944 = weight(_text_:3a in 1826) [ClassicSimilarity], result of:
          0.30341944 = score(doc=1826,freq=2.0), product of:
            0.32392493 = queryWeight, product of:
              8.478011 = idf(docFreq=24, maxDocs=44218)
              0.038207654 = queryNorm
            0.93669677 = fieldWeight in 1826, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              8.478011 = idf(docFreq=24, maxDocs=44218)
              0.078125 = fieldNorm(doc=1826)
      0.33333334 = coord(1/3)
    0.30341944 = weight(_text_:2f in 1826) [ClassicSimilarity], result of:
      0.30341944 = score(doc=1826,freq=2.0), product of:
        0.32392493 = queryWeight, product of:
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.038207654 = queryNorm
        0.93669677 = fieldWeight in 1826, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.078125 = fieldNorm(doc=1826)
    0.30341944 = weight(_text_:2f in 1826) [ClassicSimilarity], result of:
      0.30341944 = score(doc=1826,freq=2.0), product of:
        0.32392493 = queryWeight, product of:
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.038207654 = queryNorm
        0.93669677 = fieldWeight in 1826, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.078125 = fieldNorm(doc=1826)
  0.5 = coord(3/6)

Source

http://www.google.de/url?sa=t&rct=j&q=&esrc=s&source=web&cd=5&ved=0CDQQFjAE&url=http%3A%2F%2Fdigbib.ubka.uni-karlsruhe.de%2Fvolltexte%2Fdocuments%2F3131107&ei=HzFWVYvGMsiNsgGTyoFI&usg=AFQjCNE2FHUeR9oQTQlNC4TPedv4Mo3DaQ&sig2=Rlzpr7a3BLZZkqZCXXN_IA&bvm=bv.93564037,d.bGg&cad=rja

0.32770604 = product of:
  0.49155906 = sum of:
    0.060683887 = product of:
      0.18205166 = sum of:
        0.18205166 = weight(_text_:3a in 400) [ClassicSimilarity], result of:
          0.18205166 = score(doc=400,freq=2.0), product of:
            0.32392493 = queryWeight, product of:
              8.478011 = idf(docFreq=24, maxDocs=44218)
              0.038207654 = queryNorm
            0.56201804 = fieldWeight in 400, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              8.478011 = idf(docFreq=24, maxDocs=44218)
              0.046875 = fieldNorm(doc=400)
      0.33333334 = coord(1/3)
    0.18205166 = weight(_text_:2f in 400) [ClassicSimilarity], result of:
      0.18205166 = score(doc=400,freq=2.0), product of:
        0.32392493 = queryWeight, product of:
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.038207654 = queryNorm
        0.56201804 = fieldWeight in 400, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.046875 = fieldNorm(doc=400)
    0.18205166 = weight(_text_:2f in 400) [ClassicSimilarity], result of:
      0.18205166 = score(doc=400,freq=2.0), product of:
        0.32392493 = queryWeight, product of:
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.038207654 = queryNorm
        0.56201804 = fieldWeight in 400, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.046875 = fieldNorm(doc=400)
    0.06677184 = weight(_text_:propose in 400) [ClassicSimilarity], result of:
      0.06677184 = score(doc=400,freq=2.0), product of:
        0.19617504 = queryWeight, product of:
          5.1344433 = idf(docFreq=707, maxDocs=44218)
          0.038207654 = queryNorm
        0.3403687 = fieldWeight in 400, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          5.1344433 = idf(docFreq=707, maxDocs=44218)
          0.046875 = fieldNorm(doc=400)
  0.6666667 = coord(4/6)

Abstract

On a scientific concept hierarchy, a parent concept may have a few attributes, each of which has multiple values being a group of child concepts. We call these attributes facets: classification has a few facets such as application (e.g., face recognition), model (e.g., svm, knn), and metric (e.g., precision). In this work, we aim at building faceted concept hierarchies from scientific literature. Hierarchy construction methods heavily rely on hypernym detection, however, the faceted relations are parent-to-child links but the hypernym relation is a multi-hop, i.e., ancestor-to-descendent link with a specific facet "type-of". We use information extraction techniques to find synonyms, sibling concepts, and ancestor-descendent relations from a data science corpus. And we propose a hierarchy growth algorithm to infer the parent-child links from the three types of relationships. It resolves conflicts by maintaining the acyclic structure of a hierarchy.

Content

Vgl.: https%3A%2F%2Faclanthology.org%2FD19-5317.pdf&usg=AOvVaw0ZZFyq5wWTtNTvNkrvjlGA.

0.29415226 = product of:
  0.44122836 = sum of:
    0.18205166 = weight(_text_:2f in 563) [ClassicSimilarity], result of:
      0.18205166 = score(doc=563,freq=2.0), product of:
        0.32392493 = queryWeight, product of:
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.038207654 = queryNorm
        0.56201804 = fieldWeight in 563, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.046875 = fieldNorm(doc=563)
    0.18205166 = weight(_text_:2f in 563) [ClassicSimilarity], result of:
      0.18205166 = score(doc=563,freq=2.0), product of:
        0.32392493 = queryWeight, product of:
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.038207654 = queryNorm
        0.56201804 = fieldWeight in 563, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.046875 = fieldNorm(doc=563)
    0.06677184 = weight(_text_:propose in 563) [ClassicSimilarity], result of:
      0.06677184 = score(doc=563,freq=2.0), product of:
        0.19617504 = queryWeight, product of:
          5.1344433 = idf(docFreq=707, maxDocs=44218)
          0.038207654 = queryNorm
        0.3403687 = fieldWeight in 563, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          5.1344433 = idf(docFreq=707, maxDocs=44218)
          0.046875 = fieldNorm(doc=563)
    0.010353219 = product of:
      0.031059656 = sum of:
        0.031059656 = weight(_text_:22 in 563) [ClassicSimilarity], result of:
          0.031059656 = score(doc=563,freq=2.0), product of:
            0.13379669 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.038207654 = queryNorm
            0.23214069 = fieldWeight in 563, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.046875 = fieldNorm(doc=563)
      0.33333334 = coord(1/3)
  0.6666667 = coord(4/6)

Abstract

In this thesis we propose three new word association measures for multi-word term extraction. We combine these association measures with LocalMaxs algorithm in our extraction model and compare the results of different multi-word term extraction methods. Our approach is language and domain independent and requires no training data. It can be applied to such tasks as text summarization, information retrieval, and document classification. We further explore the potential of using multi-word terms as an effective representation for general web-page summarization. We extract multi-word terms from human written summaries in a large collection of web-pages, and generate the summaries by aligning document words with these multi-word terms. Our system applies machine translation technology to learn the aligning process from a training set and focuses on selecting high quality multi-word terms from human written summaries to generate suitable results for web-page summarization.

Content

A Thesis presented to The University of Guelph In partial fulfilment of requirements for the degree of Master of Science in Computer Science. Vgl. Unter: http://www.inf.ufrgs.br%2F~ceramisch%2Fdownload_files%2Fpublications%2F2009%2Fp01.pdf.

Date

10. 1.2013 19:22:47

0.28780186 = product of:
  0.5756037 = sum of:
    0.060683887 = product of:
      0.18205166 = sum of:
        0.18205166 = weight(_text_:3a in 484) [ClassicSimilarity], result of:
          0.18205166 = score(doc=484,freq=2.0), product of:
            0.32392493 = queryWeight, product of:
              8.478011 = idf(docFreq=24, maxDocs=44218)
              0.038207654 = queryNorm
            0.56201804 = fieldWeight in 484, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              8.478011 = idf(docFreq=24, maxDocs=44218)
              0.046875 = fieldNorm(doc=484)
      0.33333334 = coord(1/3)
    0.2574599 = weight(_text_:2f in 484) [ClassicSimilarity], result of:
      0.2574599 = score(doc=484,freq=4.0), product of:
        0.32392493 = queryWeight, product of:
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.038207654 = queryNorm
        0.7948135 = fieldWeight in 484, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.046875 = fieldNorm(doc=484)
    0.2574599 = weight(_text_:2f in 484) [ClassicSimilarity], result of:
      0.2574599 = score(doc=484,freq=4.0), product of:
        0.32392493 = queryWeight, product of:
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.038207654 = queryNorm
        0.7948135 = fieldWeight in 484, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.046875 = fieldNorm(doc=484)
  0.5 = coord(3/6)

Footnote

https%3A%2F%2Fjournals.univie.ac.at%2Findex.php%2Fvoebm%2Farticle%2Fdownload%2F5332%2F5271%2F&usg=AOvVaw2yQdFGHlmOwVls7ANCpTii.

0.2855003 = product of:
  0.4282504 = sum of:
    0.040455926 = product of:
      0.121367775 = sum of:
        0.121367775 = weight(_text_:3a in 5820) [ClassicSimilarity], result of:
          0.121367775 = score(doc=5820,freq=2.0), product of:
            0.32392493 = queryWeight, product of:
              8.478011 = idf(docFreq=24, maxDocs=44218)
              0.038207654 = queryNorm
            0.3746787 = fieldWeight in 5820, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              8.478011 = idf(docFreq=24, maxDocs=44218)
              0.03125 = fieldNorm(doc=5820)
      0.33333334 = coord(1/3)
    0.17163995 = weight(_text_:2f in 5820) [ClassicSimilarity], result of:
      0.17163995 = score(doc=5820,freq=4.0), product of:
        0.32392493 = queryWeight, product of:
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.038207654 = queryNorm
        0.5298757 = fieldWeight in 5820, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.03125 = fieldNorm(doc=5820)
    0.17163995 = weight(_text_:2f in 5820) [ClassicSimilarity], result of:
      0.17163995 = score(doc=5820,freq=4.0), product of:
        0.32392493 = queryWeight, product of:
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.038207654 = queryNorm
        0.5298757 = fieldWeight in 5820, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.03125 = fieldNorm(doc=5820)
    0.044514563 = weight(_text_:propose in 5820) [ClassicSimilarity], result of:
      0.044514563 = score(doc=5820,freq=2.0), product of:
        0.19617504 = queryWeight, product of:
          5.1344433 = idf(docFreq=707, maxDocs=44218)
          0.038207654 = queryNorm
        0.22691247 = fieldWeight in 5820, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          5.1344433 = idf(docFreq=707, maxDocs=44218)
          0.03125 = fieldNorm(doc=5820)
  0.6666667 = coord(4/6)

Abstract

This proposal includes plans to improve the quality of relevant entities with a co-learning framework that learns from both entity labels and document labels. We also plan to develop a hybrid ranking system that combines word based and entity based representations together with their uncertainties considered. At last, we plan to enrich the text representations with connections between entities. We propose several ways to infer entity graph representations for texts, and to rank documents using their structure representations. This dissertation overcomes the limitation of word based representations with external and carefully curated information from knowledge bases. We believe this thesis research is a solid start towards the new generation of intelligent, semantic, and structured information retrieval.

Content

Submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy in Language and Information Technologies. Vgl.: https%3A%2F%2Fwww.cs.cmu.edu%2F~cx%2Fpapers%2Fknowledge_based_text_representation.pdf&usg=AOvVaw0SaTSvhWLTh__Uz_HtOtl3.

0.2730884 = product of:
  0.40963256 = sum of:
    0.050569907 = product of:
      0.15170972 = sum of:
        0.15170972 = weight(_text_:3a in 4997) [ClassicSimilarity], result of:
          0.15170972 = score(doc=4997,freq=2.0), product of:
            0.32392493 = queryWeight, product of:
              8.478011 = idf(docFreq=24, maxDocs=44218)
              0.038207654 = queryNorm
            0.46834838 = fieldWeight in 4997, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              8.478011 = idf(docFreq=24, maxDocs=44218)
              0.0390625 = fieldNorm(doc=4997)
      0.33333334 = coord(1/3)
    0.15170972 = weight(_text_:2f in 4997) [ClassicSimilarity], result of:
      0.15170972 = score(doc=4997,freq=2.0), product of:
        0.32392493 = queryWeight, product of:
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.038207654 = queryNorm
        0.46834838 = fieldWeight in 4997, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.0390625 = fieldNorm(doc=4997)
    0.15170972 = weight(_text_:2f in 4997) [ClassicSimilarity], result of:
      0.15170972 = score(doc=4997,freq=2.0), product of:
        0.32392493 = queryWeight, product of:
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.038207654 = queryNorm
        0.46834838 = fieldWeight in 4997, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.0390625 = fieldNorm(doc=4997)
    0.055643205 = weight(_text_:propose in 4997) [ClassicSimilarity], result of:
      0.055643205 = score(doc=4997,freq=2.0), product of:
        0.19617504 = queryWeight, product of:
          5.1344433 = idf(docFreq=707, maxDocs=44218)
          0.038207654 = queryNorm
        0.2836406 = fieldWeight in 4997, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          5.1344433 = idf(docFreq=707, maxDocs=44218)
          0.0390625 = fieldNorm(doc=4997)
  0.6666667 = coord(4/6)

Abstract

While classifications are heavily used to categorize web content, the evolution of the web foresees a more formal structure - ontology - which can serve this purpose. Ontologies are core artifacts of the Semantic Web which enable machines to use inference rules to conduct automated reasoning on data. Lightweight ontologies bridge the gap between classifications and ontologies. A lightweight ontology (LO) is an ontology representing a backbone taxonomy where the concept of the child node is more specific than the concept of the parent node. Formal lightweight ontologies can be generated from their informal ones. The key applications of formal lightweight ontologies are document classification, semantic search, and data integration. However, these applications suffer from the following problems: the disambiguation accuracy of the state of the art NLP tools used in generating formal lightweight ontologies from their informal ones; the lack of background knowledge needed for the formal lightweight ontologies; and the limitation of ontology reuse. In this dissertation, we propose a novel solution to these problems in formal lightweight ontologies; namely, faceted lightweight ontology (FLO). FLO is a lightweight ontology in which terms, present in each node label, and their concepts, are available in the background knowledge (BK), which is organized as a set of facets. A facet can be defined as a distinctive property of the groups of concepts that can help in differentiating one group from another. Background knowledge can be defined as a subset of a knowledge base, such as WordNet, and often represents a specific domain.

Content

PhD Dissertation at International Doctorate School in Information and Communication Technology. Vgl.: https%3A%2F%2Fcore.ac.uk%2Fdownload%2Fpdf%2F150083013.pdf&usg=AOvVaw2n-qisNagpyT0lli_6QbAQ.

0.24779256 = product of:
  0.4955851 = sum of:
    0.070797876 = product of:
      0.21239361 = sum of:
        0.21239361 = weight(_text_:3a in 5955) [ClassicSimilarity], result of:
          0.21239361 = score(doc=5955,freq=2.0), product of:
            0.32392493 = queryWeight, product of:
              8.478011 = idf(docFreq=24, maxDocs=44218)
              0.038207654 = queryNorm
            0.65568775 = fieldWeight in 5955, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              8.478011 = idf(docFreq=24, maxDocs=44218)
              0.0546875 = fieldNorm(doc=5955)
      0.33333334 = coord(1/3)
    0.21239361 = weight(_text_:2f in 5955) [ClassicSimilarity], result of:
      0.21239361 = score(doc=5955,freq=2.0), product of:
        0.32392493 = queryWeight, product of:
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.038207654 = queryNorm
        0.65568775 = fieldWeight in 5955, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.0546875 = fieldNorm(doc=5955)
    0.21239361 = weight(_text_:2f in 5955) [ClassicSimilarity], result of:
      0.21239361 = score(doc=5955,freq=2.0), product of:
        0.32392493 = queryWeight, product of:
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.038207654 = queryNorm
        0.65568775 = fieldWeight in 5955, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.0546875 = fieldNorm(doc=5955)
  0.5 = coord(3/6)

Footnote

Rez. in: Philosophisch-ethische Rezensionen vom 09.11.2019 (Jürgen Czogalla), Unter: https://philosophisch-ethische-rezensionen.de/rezension/Goedert1.html. In: B.I.T. online 23(2020) H.3, S.345-347 (W. Sühl-Strohmenger) [Unter: https%3A%2F%2Fwww.b-i-t-online.de%2Fheft%2F2020-03-rezensionen.pdf&usg=AOvVaw0iY3f_zNcvEjeZ6inHVnOK]. In: Open Password Nr. 805 vom 14.08.2020 (H.-C. Hobohm) [Unter: https://www.password-online.de/?mailpoet_router&endpoint=view_in_browser&action=view&data=WzE0MywiOGI3NjZkZmNkZjQ1IiwwLDAsMTMxLDFd].

0.17699468 = product of:
  0.35398936 = sum of:
    0.050569907 = product of:
      0.15170972 = sum of:
        0.15170972 = weight(_text_:3a in 4388) [ClassicSimilarity], result of:
          0.15170972 = score(doc=4388,freq=2.0), product of:
            0.32392493 = queryWeight, product of:
              8.478011 = idf(docFreq=24, maxDocs=44218)
              0.038207654 = queryNorm
            0.46834838 = fieldWeight in 4388, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              8.478011 = idf(docFreq=24, maxDocs=44218)
              0.0390625 = fieldNorm(doc=4388)
      0.33333334 = coord(1/3)
    0.15170972 = weight(_text_:2f in 4388) [ClassicSimilarity], result of:
      0.15170972 = score(doc=4388,freq=2.0), product of:
        0.32392493 = queryWeight, product of:
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.038207654 = queryNorm
        0.46834838 = fieldWeight in 4388, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.0390625 = fieldNorm(doc=4388)
    0.15170972 = weight(_text_:2f in 4388) [ClassicSimilarity], result of:
      0.15170972 = score(doc=4388,freq=2.0), product of:
        0.32392493 = queryWeight, product of:
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.038207654 = queryNorm
        0.46834838 = fieldWeight in 4388, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.0390625 = fieldNorm(doc=4388)
  0.5 = coord(3/6)

Footnote

Vgl. unter: https://www.google.de/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&cad=rja&uact=8&ved=2ahUKEwizweHljdbcAhVS16QKHXcFD9QQFjABegQICRAB&url=https%3A%2F%2Fwww.researchgate.net%2Fpublication%2F271200105_Die_Autonomie_des_Menschen_und_der_Maschine_-_gegenwartige_Definitionen_von_Autonomie_zwischen_philosophischem_Hintergrund_und_technologischer_Umsetzbarkeit_Redigierte_Version_der_Magisterarbeit_Karls&usg=AOvVaw06orrdJmFF2xbCCp_hL26q.

0.17699468 = product of:
  0.35398936 = sum of:
    0.050569907 = product of:
      0.15170972 = sum of:
        0.15170972 = weight(_text_:3a in 855) [ClassicSimilarity], result of:
          0.15170972 = score(doc=855,freq=2.0), product of:
            0.32392493 = queryWeight, product of:
              8.478011 = idf(docFreq=24, maxDocs=44218)
              0.038207654 = queryNorm
            0.46834838 = fieldWeight in 855, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              8.478011 = idf(docFreq=24, maxDocs=44218)
              0.0390625 = fieldNorm(doc=855)
      0.33333334 = coord(1/3)
    0.15170972 = weight(_text_:2f in 855) [ClassicSimilarity], result of:
      0.15170972 = score(doc=855,freq=2.0), product of:
        0.32392493 = queryWeight, product of:
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.038207654 = queryNorm
        0.46834838 = fieldWeight in 855, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.0390625 = fieldNorm(doc=855)
    0.15170972 = weight(_text_:2f in 855) [ClassicSimilarity], result of:
      0.15170972 = score(doc=855,freq=2.0), product of:
        0.32392493 = queryWeight, product of:
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.038207654 = queryNorm
        0.46834838 = fieldWeight in 855, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.0390625 = fieldNorm(doc=855)
  0.5 = coord(3/6)

Content

Vgl. auch: New automatic interpreter for complex UDC numbers. Unter: <https%3A%2F%2Fudcc.org%2Ffiles%2FAttilaPiros_EC_36-37_2014-2015.pdf&usg=AOvVaw3kc9CwDDCWP7aArpfjrs5b>

0.1618237 = product of:
  0.4854711 = sum of:
    0.24273555 = weight(_text_:2f in 2188) [ClassicSimilarity], result of:
      0.24273555 = score(doc=2188,freq=2.0), product of:
        0.32392493 = queryWeight, product of:
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.038207654 = queryNorm
        0.7493574 = fieldWeight in 2188, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.0625 = fieldNorm(doc=2188)
    0.24273555 = weight(_text_:2f in 2188) [ClassicSimilarity], result of:
      0.24273555 = score(doc=2188,freq=2.0), product of:
        0.32392493 = queryWeight, product of:
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.038207654 = queryNorm
        0.7493574 = fieldWeight in 2188, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          8.478011 = idf(docFreq=24, maxDocs=44218)
          0.0625 = fieldNorm(doc=2188)
  0.33333334 = coord(2/6)

Content

Vgl. unter: https://www.leibniz-science20.de%2Fforschung%2Fprojekte%2Faltmetrics-in-verschiedenen-wissenschaftsdisziplinen%2F&ei=2jTgVaaXGcK4Udj1qdgB&usg=AFQjCNFOPdONj4RKBDf9YDJOLuz3lkGYlg&sig2=5YI3KWIGxBmk5_kv0P_8iQ.

0.042279877 = product of:
  0.12683962 = sum of:
    0.11303533 = weight(_text_:forschung in 1742) [ClassicSimilarity], result of:
      0.11303533 = score(doc=1742,freq=4.0), product of:
        0.1858777 = queryWeight, product of:
          4.8649335 = idf(docFreq=926, maxDocs=44218)
          0.038207654 = queryNorm
        0.6081167 = fieldWeight in 1742, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          4.8649335 = idf(docFreq=926, maxDocs=44218)
          0.0625 = fieldNorm(doc=1742)
    0.013804292 = product of:
      0.041412875 = sum of:
        0.041412875 = weight(_text_:22 in 1742) [ClassicSimilarity], result of:
          0.041412875 = score(doc=1742,freq=2.0), product of:
            0.13379669 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.038207654 = queryNorm
            0.30952093 = fieldWeight in 1742, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.0625 = fieldNorm(doc=1742)
      0.33333334 = coord(1/3)
  0.33333334 = coord(2/6)

Abstract

Aktuelle Forschungsarbeiten zur Fußgängernavigation, die im Rahmen des Forschungsprojekts NADINE am Lehrstuhl für Informationswissenschaft durchgeführt werden, profitieren stark von den Facetten Information Seeking, Context und Information Avoiding der Information Behavior-Forschung. Dabei wird zunächst von völlig technologieunabhängigen Erkenntnissen zu den Verhaltensweisen im Kontext der Wegfindung ausgegangen. Darauf aufbauend wird beispielhaft die Schaffung der nötigen Datengrundlage und die experimentelle Untersuchung von navigationsunterstützenden Informationssystemen im Innenbereich näher betrachtet.

Date

21. 3.2015 18:13:22

0.038947545 = product of:
  0.116842635 = sum of:
    0.059946038 = weight(_text_:forschung in 2248) [ClassicSimilarity], result of:
      0.059946038 = score(doc=2248,freq=2.0), product of:
        0.1858777 = queryWeight, product of:
          4.8649335 = idf(docFreq=926, maxDocs=44218)
          0.038207654 = queryNorm
        0.32250258 = fieldWeight in 2248, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          4.8649335 = idf(docFreq=926, maxDocs=44218)
          0.046875 = fieldNorm(doc=2248)
    0.056896597 = product of:
      0.085344896 = sum of:
        0.054285236 = weight(_text_:29 in 2248) [ClassicSimilarity], result of:
          0.054285236 = score(doc=2248,freq=6.0), product of:
            0.13440257 = queryWeight, product of:
              3.5176873 = idf(docFreq=3565, maxDocs=44218)
              0.038207654 = queryNorm
            0.40390027 = fieldWeight in 2248, product of:
              2.4494898 = tf(freq=6.0), with freq of:
                6.0 = termFreq=6.0
              3.5176873 = idf(docFreq=3565, maxDocs=44218)
              0.046875 = fieldNorm(doc=2248)
        0.031059656 = weight(_text_:22 in 2248) [ClassicSimilarity], result of:
          0.031059656 = score(doc=2248,freq=2.0), product of:
            0.13379669 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.038207654 = queryNorm
            0.23214069 = fieldWeight in 2248, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.046875 = fieldNorm(doc=2248)
      0.6666667 = coord(2/3)
  0.33333334 = coord(2/6)

Abstract

Das Framework for Information Literacy for Higher Education wurde im Januar 2016 vom Vorstand der Association of College & Research Libraries (ACRL) beschlossen. Es beruht auf der Idee von "Threshold Concepts" und sieht Informationskompetenz in einem engen Zusammenhang mit Wissenschaft und Forschung. Dadurch legt es bei der Vermittlung von Informationskompetenz eine starke Betonung auf das "Warum", nicht nur auf das "Was". Der Ansatz des Framework wird vielfach kontrovers diskutiert. Bietet er tatsächlich eine neue Sichtweise auf die Förderung von Informationskompetenz oder ist er überwiegend alter Wein in neuen Schläuchen? Kann das Framework neue Impulse für die Aktivitäten an den Bibliotheken in Deutschland setzen oder beschreibt es etwas, was wir längst machen? Der Beitrag versucht, Anregungen zu geben, welche Konsequenzen das Framework für unsere Kurse haben kann und welche veränderten Lernziele mit ihm verbunden sein können. Dabei plädiert er für ein umfassendes Verständnis von Informationskompetenz, das sich nicht auf Einzelaspekte wie Recherchekompetenz beschränkt.

Content

https://www.o-bib.de/article/view/2017H4S22-29. DOI: https://doi.org/10.5282/o-bib/2017H4S22-29.

Source

o-bib: Das offene Bibliotheksjournal. 4(2017) Nr.4, S.22-29

0.03495895 = product of:
  0.104876846 = sum of:
    0.09442965 = weight(_text_:propose in 3464) [ClassicSimilarity], result of:
      0.09442965 = score(doc=3464,freq=4.0), product of:
        0.19617504 = queryWeight, product of:
          5.1344433 = idf(docFreq=707, maxDocs=44218)
          0.038207654 = queryNorm
        0.48135406 = fieldWeight in 3464, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          5.1344433 = idf(docFreq=707, maxDocs=44218)
          0.046875 = fieldNorm(doc=3464)
    0.0104471985 = product of:
      0.031341594 = sum of:
        0.031341594 = weight(_text_:29 in 3464) [ClassicSimilarity], result of:
          0.031341594 = score(doc=3464,freq=2.0), product of:
            0.13440257 = queryWeight, product of:
              3.5176873 = idf(docFreq=3565, maxDocs=44218)
              0.038207654 = queryNorm
            0.23319192 = fieldWeight in 3464, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5176873 = idf(docFreq=3565, maxDocs=44218)
              0.046875 = fieldNorm(doc=3464)
      0.33333334 = coord(1/3)
  0.33333334 = coord(2/6)

Abstract

We propose a new hybrid clustering framework to incorporate text mining with bibliometrics in journal set analysis. The framework integrates two different approaches: clustering ensemble and kernel-fusion clustering. To improve the flexibility and the efficiency of processing large-scale data, we propose an information-based weighting scheme to leverage the effect of multiple data sources in hybrid clustering. Three different algorithms are extended by the proposed weighting scheme and they are employed on a large journal set retrieved from the Web of Science (WoS) database. The clustering performance of the proposed algorithms is systematically evaluated using multiple evaluation methods, and they were cross-compared with alternative methods. Experimental results demonstrate that the proposed weighted hybrid clustering strategy is superior to other methods in clustering performance and efficiency. The proposed approach also provides a more refined structural mapping of journal sets, which is useful for monitoring and detecting new trends in different scientific fields.

Date

1. 6.2010 9:29:57

0.03492762 = product of:
  0.104782864 = sum of:
    0.09442965 = weight(_text_:propose in 3019) [ClassicSimilarity], result of:
      0.09442965 = score(doc=3019,freq=4.0), product of:
        0.19617504 = queryWeight, product of:
          5.1344433 = idf(docFreq=707, maxDocs=44218)
          0.038207654 = queryNorm
        0.48135406 = fieldWeight in 3019, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          5.1344433 = idf(docFreq=707, maxDocs=44218)
          0.046875 = fieldNorm(doc=3019)
    0.010353219 = product of:
      0.031059656 = sum of:
        0.031059656 = weight(_text_:22 in 3019) [ClassicSimilarity], result of:
          0.031059656 = score(doc=3019,freq=2.0), product of:
            0.13379669 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.038207654 = queryNorm
            0.23214069 = fieldWeight in 3019, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.046875 = fieldNorm(doc=3019)
      0.33333334 = coord(1/3)
  0.33333334 = coord(2/6)

Abstract

The contribution of this article is twofold. First, we present Indexing by latent Dirichlet allocation (LDI), an automatic document indexing method. Many ad hoc applications, or their variants with smoothing techniques suggested in LDA-based language modeling, can result in unsatisfactory performance as the document representations do not accurately reflect concept space. To improve document retrieval performance, we introduce a new definition of document probability vectors in the context of LDA and present a novel scheme for automatic document indexing based on LDA. Second, we propose an Ensemble Model (EnM) for document retrieval. EnM combines basic indexing models by assigning different weights and attempts to uncover the optimal weights to maximize the mean average precision. To solve the optimization problem, we propose an algorithm, which is derived based on the boosting method. The results of our computational experiments on benchmark data sets indicate that both the proposed approaches are viable options for document retrieval.

Date

12. 6.2016 21:39:22

0.03492762 = product of:
  0.104782864 = sum of:
    0.09442965 = weight(_text_:propose in 3266) [ClassicSimilarity], result of:
      0.09442965 = score(doc=3266,freq=4.0), product of:
        0.19617504 = queryWeight, product of:
          5.1344433 = idf(docFreq=707, maxDocs=44218)
          0.038207654 = queryNorm
        0.48135406 = fieldWeight in 3266, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          5.1344433 = idf(docFreq=707, maxDocs=44218)
          0.046875 = fieldNorm(doc=3266)
    0.010353219 = product of:
      0.031059656 = sum of:
        0.031059656 = weight(_text_:22 in 3266) [ClassicSimilarity], result of:
          0.031059656 = score(doc=3266,freq=2.0), product of:
            0.13379669 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.038207654 = queryNorm
            0.23214069 = fieldWeight in 3266, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.046875 = fieldNorm(doc=3266)
      0.33333334 = coord(1/3)
  0.33333334 = coord(2/6)

Abstract

Entity disambiguation is a fundamental task of semantic Web annotation. Entity Linking (EL) is an essential procedure in entity disambiguation, which aims to link a mention appearing in a plain text to a structured or semi-structured knowledge base, such as Wikipedia. Existing research on EL usually annotates the mentions in a text one by one and treats entities independent to each other. However this might not be true in many application scenarios. For example, if two mentions appear in one text, they are likely to have certain intrinsic relationships. In this paper, we first propose a novel query expansion method for candidate generation utilizing the information of co-occurrences of mentions. We further propose a re-ranking model which can be iteratively adjusted based on the prediction in the previous round. Experiments on real-world data demonstrate the effectiveness of our proposed methods for entity disambiguation.

Date

24.10.2016 19:22:54

0.034319576 = product of:
  0.102958724 = sum of:
    0.089029126 = weight(_text_:propose in 1955) [ClassicSimilarity], result of:
      0.089029126 = score(doc=1955,freq=2.0), product of:
        0.19617504 = queryWeight, product of:
          5.1344433 = idf(docFreq=707, maxDocs=44218)
          0.038207654 = queryNorm
        0.45382494 = fieldWeight in 1955, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          5.1344433 = idf(docFreq=707, maxDocs=44218)
          0.0625 = fieldNorm(doc=1955)
    0.013929598 = product of:
      0.041788794 = sum of:
        0.041788794 = weight(_text_:29 in 1955) [ClassicSimilarity], result of:
          0.041788794 = score(doc=1955,freq=2.0), product of:
            0.13440257 = queryWeight, product of:
              3.5176873 = idf(docFreq=3565, maxDocs=44218)
              0.038207654 = queryNorm
            0.31092256 = fieldWeight in 1955, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5176873 = idf(docFreq=3565, maxDocs=44218)
              0.0625 = fieldNorm(doc=1955)
      0.33333334 = coord(1/3)
  0.33333334 = coord(2/6)

Abstract

FRBR, FRAD, and FRSAD models propose user tasks as a way to address and categorize functions that a catalog should support. The user tasks are not harmonized among these models, but to do that, they should first be fully understood and analyzed, especially "select" and "identify." We decided to look at the FRBR user tasks from the perspective of interactive information retrieval (IIR). Several IIR models were reviewed and Ellis' and Belkin's models were chosen for further analysis and interpretation of FRBR "select" and "identify" tasks.

Date

29. 5.2015 19:13:13

0.034277808 = product of:
  0.10283342 = sum of:
    0.089029126 = weight(_text_:propose in 1431) [ClassicSimilarity], result of:
      0.089029126 = score(doc=1431,freq=2.0), product of:
        0.19617504 = queryWeight, product of:
          5.1344433 = idf(docFreq=707, maxDocs=44218)
          0.038207654 = queryNorm
        0.45382494 = fieldWeight in 1431, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          5.1344433 = idf(docFreq=707, maxDocs=44218)
          0.0625 = fieldNorm(doc=1431)
    0.013804292 = product of:
      0.041412875 = sum of:
        0.041412875 = weight(_text_:22 in 1431) [ClassicSimilarity], result of:
          0.041412875 = score(doc=1431,freq=2.0), product of:
            0.13379669 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.038207654 = queryNorm
            0.30952093 = fieldWeight in 1431, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.0625 = fieldNorm(doc=1431)
      0.33333334 = coord(1/3)
  0.33333334 = coord(2/6)

Abstract

Properties of a percentile-based rating scale needed in bibliometrics are formulated. Based on these properties, P100 was recently introduced as a new citation-rank approach (Bornmann, Leydesdorff, & Wang, 2013). In this paper, we conceptualize P100 and propose an improvement which we call P100'. Advantages and disadvantages of citation-rank indicators are noted.

Date

22. 8.2014 17:05:18

0.031743553 = product of:
  0.095230654 = sum of:
    0.08652465 = weight(_text_:forschung in 159) [ClassicSimilarity], result of:
      0.08652465 = score(doc=159,freq=6.0), product of:
        0.1858777 = queryWeight, product of:
          4.8649335 = idf(docFreq=926, maxDocs=44218)
          0.038207654 = queryNorm
        0.46549237 = fieldWeight in 159, product of:
          2.4494898 = tf(freq=6.0), with freq of:
            6.0 = termFreq=6.0
          4.8649335 = idf(docFreq=926, maxDocs=44218)
          0.0390625 = fieldNorm(doc=159)
    0.008706 = product of:
      0.026117997 = sum of:
        0.026117997 = weight(_text_:29 in 159) [ClassicSimilarity], result of:
          0.026117997 = score(doc=159,freq=2.0), product of:
            0.13440257 = queryWeight, product of:
              3.5176873 = idf(docFreq=3565, maxDocs=44218)
              0.038207654 = queryNorm
            0.19432661 = fieldWeight in 159, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5176873 = idf(docFreq=3565, maxDocs=44218)
              0.0390625 = fieldNorm(doc=159)
      0.33333334 = coord(1/3)
  0.33333334 = coord(2/6)

Date

29. 5.2012 11:42:13

RSWK

Mathematikerin / Mathematik / Forschung / Aufsatzsammlung (BVB)

Subject

Mathematikerin / Mathematik / Forschung / Aufsatzsammlung (BVB)

0.031285882 = product of:
  0.093857646 = sum of:
    0.07992805 = weight(_text_:forschung in 3334) [ClassicSimilarity], result of:
      0.07992805 = score(doc=3334,freq=2.0), product of:
        0.1858777 = queryWeight, product of:
          4.8649335 = idf(docFreq=926, maxDocs=44218)
          0.038207654 = queryNorm
        0.43000343 = fieldWeight in 3334, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          4.8649335 = idf(docFreq=926, maxDocs=44218)
          0.0625 = fieldNorm(doc=3334)
    0.013929598 = product of:
      0.041788794 = sum of:
        0.041788794 = weight(_text_:29 in 3334) [ClassicSimilarity], result of:
          0.041788794 = score(doc=3334,freq=2.0), product of:
            0.13440257 = queryWeight, product of:
              3.5176873 = idf(docFreq=3565, maxDocs=44218)
              0.038207654 = queryNorm
            0.31092256 = fieldWeight in 3334, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5176873 = idf(docFreq=3565, maxDocs=44218)
              0.0625 = fieldNorm(doc=3334)
      0.33333334 = coord(1/3)
  0.33333334 = coord(2/6)

Abstract

Mit dem ersten Teil dieses Beitrages wurde in Heft 4/2017 eine Bilanz zu Maßnahmen und Wirkungen der Initiative für Informationskompetenz der DGI gezogen. Nun werden einzelne Aktivitäten und Modellprojekte in Politik und Verbänden zur besseren Sichtbarkeit der Informationskompetenz und ihrer stärkeren Verankerung in der universitären, beruflichen, besonders aber schulischen Ausbildung vorgestellt. Dazu thematisiert der Artikel Aspekte der Forschung zum Begriff Informationskompetenz und seine Abgrenzung zur Medienkompetenz.

Date

13. 5.2018 14:49:29