Search (2 results, page 1 of 1)

  • × subject_ss:"Information retrieval"
  • × classification_ss:"ST 515"
  1. Colomb, R.M.: Information spaces : the architecture of cyberspace (2002) 0.00
    0.0011959607 = product of:
      0.0023919214 = sum of:
        0.0023919214 = product of:
          0.0047838427 = sum of:
            0.0047838427 = weight(_text_:a in 262) [ClassicSimilarity], result of:
              0.0047838427 = score(doc=262,freq=4.0), product of:
                0.053105544 = queryWeight, product of:
                  1.153047 = idf(docFreq=37942, maxDocs=44218)
                  0.046056706 = queryNorm
                0.090081796 = fieldWeight in 262, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  1.153047 = idf(docFreq=37942, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=262)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Abstract
    The Architecture of Cyberspace is aimed at students taking information management as a minor in their course as well as those who manage document collections but who are not professional librarians. The first part of this book looks at how users find documents and the problems they have; the second part discusses how to manage the information space using various tools such as classification and controlled vocabularies. It also explores the general issues of publishing, including legal considerations, as well the main issues of creating and managing archives. Supported by exercises and discussion questions at the end of each chapter, the book includes some sample assignments suitable for use with students of this subject. A glossary is also provided to help readers understand the specialised vocabulary and the key concepts in the design and assessment of information spaces.
  2. Manning, C.D.; Raghavan, P.; Schütze, H.: Introduction to information retrieval (2008) 0.00
    6.765375E-4 = product of:
      0.001353075 = sum of:
        0.001353075 = product of:
          0.00270615 = sum of:
            0.00270615 = weight(_text_:a in 4041) [ClassicSimilarity], result of:
              0.00270615 = score(doc=4041,freq=2.0), product of:
                0.053105544 = queryWeight, product of:
                  1.153047 = idf(docFreq=37942, maxDocs=44218)
                  0.046056706 = queryNorm
                0.050957955 = fieldWeight in 4041, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.153047 = idf(docFreq=37942, maxDocs=44218)
                  0.03125 = fieldNorm(doc=4041)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    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.