Search (7 results, page 1 of 1)

Manning, C.D.; Raghavan, P.; Schütze, H.: Introduction to information retrieval (2008) 0.02
```
0.019571725 = product of:
  0.058715172 = sum of:
    0.058715172 = weight(_text_:digitale in 4041) [ClassicSimilarity], result of:
      0.058715172 = score(doc=4041,freq=2.0), product of:
        0.25753787 = queryWeight, product of:
          5.158747 = idf(docFreq=690, maxDocs=44218)
          0.049922563 = queryNorm
        0.22798656 = fieldWeight in 4041, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          5.158747 = idf(docFreq=690, maxDocs=44218)
          0.03125 = fieldNorm(doc=4041)
  0.33333334 = coord(1/3)
```
Content

Inhalt: Boolean retrieval - The term vocabulary & postings lists - Dictionaries and tolerant retrieval - Index construction - Index compression - Scoring, term weighting & the vector space model - Computing scores in a complete search system - Evaluation in information retrieval - Relevance feedback & query expansion - XML retrieval - Probabilistic information retrieval - Language models for information retrieval - Text classification & Naive Bayes - Vector space classification - Support vector machines & machine learning on documents - Flat clustering - Hierarchical clustering - Matrix decompositions & latent semantic indexing - Web search basics - Web crawling and indexes - Link analysis Vgl. die digitale Fassung unter: http://nlp.stanford.edu/IR-book/pdf/irbookprint.pdf.

Ellis, D.: Progress and problems in information retrieval (1996) 0.01

0.009018424 = product of:
  0.027055271 = sum of:
    0.027055271 = product of:
      0.054110542 = sum of:
        0.054110542 = weight(_text_:22 in 789) [ClassicSimilarity], result of:
          0.054110542 = score(doc=789,freq=2.0), product of:
            0.1748203 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.049922563 = queryNorm
            0.30952093 = fieldWeight in 789, 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=789)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)

Date: 26. 7.2002 20:22:46

Lancaster, F.W.: Vocabulary control for information retrieval (1986) 0.01

0.009018424 = product of:
  0.027055271 = sum of:
    0.027055271 = product of:
      0.054110542 = sum of:
        0.054110542 = weight(_text_:22 in 217) [ClassicSimilarity], result of:
          0.054110542 = score(doc=217,freq=2.0), product of:
            0.1748203 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.049922563 = queryNorm
            0.30952093 = fieldWeight in 217, 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=217)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)

Date: 22. 4.2007 10:07:51

Lankes, R.D.: New concepts in digital reference (2009) 0.01

0.008765247 = product of:
  0.02629574 = sum of:
    0.02629574 = product of:
      0.05259148 = sum of:
        0.05259148 = weight(_text_:bibliothek in 4999) [ClassicSimilarity], result of:
          0.05259148 = score(doc=4999,freq=4.0), product of:
            0.20495859 = queryWeight, product of:
              4.1055303 = idf(docFreq=1980, maxDocs=44218)
              0.049922563 = queryNorm
            0.25659564 = fieldWeight in 4999, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              4.1055303 = idf(docFreq=1980, maxDocs=44218)
              0.03125 = fieldNorm(doc=4999)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)

RSWK: Bibliothek / Virtueller Auskunftsdienst
Subject: Bibliothek / Virtueller Auskunftsdienst

Gödert, W.; Hubrich, J.; Nagelschmidt, M.: Semantic knowledge representation for information retrieval (2014) 0.01

0.0067638177 = product of:
  0.020291453 = sum of:
    0.020291453 = product of:
      0.040582906 = sum of:
        0.040582906 = weight(_text_:22 in 987) [ClassicSimilarity], result of:
          0.040582906 = score(doc=987,freq=2.0), product of:
            0.1748203 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.049922563 = queryNorm
            0.23214069 = fieldWeight in 987, 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=987)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)

Date: 23. 7.2017 13:49:22

Kuhlthau, C.C: Seeking meaning : a process approach to library and information services (2004) 0.01

0.005478279 = product of:
  0.016434837 = sum of:
    0.016434837 = product of:
      0.032869674 = sum of:
        0.032869674 = weight(_text_:bibliothek in 3347) [ClassicSimilarity], result of:
          0.032869674 = score(doc=3347,freq=4.0), product of:
            0.20495859 = queryWeight, product of:
              4.1055303 = idf(docFreq=1980, maxDocs=44218)
              0.049922563 = queryNorm
            0.16037227 = fieldWeight in 3347, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              4.1055303 = idf(docFreq=1980, maxDocs=44218)
              0.01953125 = fieldNorm(doc=3347)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)

RSWK: USA / Bibliothek / Informationsmanagement
Subject: USA / Bibliothek / Informationsmanagement

New directions in human information behavior (2006) 0.00
```
0.0038737287 = product of:
  0.011621186 = sum of:
    0.011621186 = product of:
      0.023242371 = sum of:
        0.023242371 = weight(_text_:bibliothek in 577) [ClassicSimilarity], result of:
          0.023242371 = score(doc=577,freq=2.0), product of:
            0.20495859 = queryWeight, product of:
              4.1055303 = idf(docFreq=1980, maxDocs=44218)
              0.049922563 = queryNorm
            0.113400325 = fieldWeight in 577, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              4.1055303 = idf(docFreq=1980, maxDocs=44218)
              0.01953125 = fieldNorm(doc=577)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)
```
Footnote

... New Directions in Human Information Behavior ist ein Sammelband, der eindrucksvoll dokumentiert, dass sich die Forschung zu den Themen Informationssuche bzw. Informationsverhalten - ein in unserem Sprachraum freilich wenig bekannter und weitgehend unrezipierter Teilbereich der Informationswissenschaft - gegenwärtig stark im Umbruch befindet. Der Trend von den bisherigen, eher an Paradigmen wie Dokument, fachliche Informationssuche, Bibliothek, wissenschaftliche Informationsnutzung orientierten Ansätzen hin zur Betrachtung alltäglicher Situationen und weiterer Bevölkerungsschichten sowie die Einbeziehung von neuen bzw. aus anderen sozialwissenschaftlichen Bereichen stammenden theoretischen Überlegungen ist nicht zu übersehen. Mitunter mutet dies wie eine (Wieder- bzw. Neu-)Entdeckung der Kommunikationswissenschaft durch die Informationswissenschaft an - oder auch umgekehrt, zumal einige der im vorliegenden Band Schreibenden aus communication departments kommen. Wie auch immer, wer sich für den gegenwärtigen Stand der Entwicklung auf dem HIB-Sektor interessiert, kommt um dieses Buch nicht herum. Allerdings taucht darin der Begriff framework - erfahrungsgemäss oft mit weniger handfesten Inhalten korreliert und mir daher stets ein wenig suspekt - für meinen Geschmack etwas zu häufig auf. HIB ist leider nicht das einzige Akronym, das hier eingeführt wird. Bisher ging es im gegenständlichen Kontext ja bloss um IS (information seeking) - ein neben IR (information retrieval) auch schon bekanntes und eingeführtes Kurzwort.

Search (7 results, page 1 of 1)

Authors

Years

Themes

Subjects

Classifications