Search (11 results, page 1 of 1)

0.017799769 = product of:
  0.053399306 = sum of:
    0.053399306 = product of:
      0.10679861 = sum of:
        0.10679861 = weight(_text_:librarians in 5607) [ClassicSimilarity], result of:
          0.10679861 = score(doc=5607,freq=4.0), product of:
            0.21798341 = queryWeight, product of:
              4.479444 = idf(docFreq=1362, maxDocs=44218)
              0.04866305 = queryNorm
            0.48993918 = fieldWeight in 5607, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              4.479444 = idf(docFreq=1362, maxDocs=44218)
              0.0546875 = fieldNorm(doc=5607)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)

Abstract

Many kinds of structure can be discerned in the headings and rules governing the Library of Congress Subject Headings. By addressing these structures at different levels, librarians can develop different approaches to the machine-assisted validation of subject headings, from the checking of individual words to the validation of complex forms of heading/subdivision compatibility. Using computer programs to assist with maintenance of subject headings is becoming increasingly necessary as technical services librarians strive to create consistent and useful patterns of subject collocation in library catalogs

0.012586337 = product of:
  0.03775901 = sum of:
    0.03775901 = product of:
      0.07551802 = sum of:
        0.07551802 = weight(_text_:librarians in 2232) [ClassicSimilarity], result of:
          0.07551802 = score(doc=2232,freq=2.0), product of:
            0.21798341 = queryWeight, product of:
              4.479444 = idf(docFreq=1362, maxDocs=44218)
              0.04866305 = queryNorm
            0.3464393 = fieldWeight in 2232, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              4.479444 = idf(docFreq=1362, maxDocs=44218)
              0.0546875 = fieldNorm(doc=2232)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)

Abstract

We developed a project utilizing the local form/genre heading, "property data," and specific subheadings to help chemists, engineers, and those librarians assisting them to more easily locate library resources containing chemical and physical properties of substances. This article describes the project and examines possibilities for improving access to physical sciences literature in relation to Library of Congress Subject Headings and ongoing developments in authority records for form/genre terms. It also introduces functionality of such headings in the new "next generation" catalogs.

0.01078829 = product of:
  0.032364868 = sum of:
    0.032364868 = product of:
      0.064729735 = sum of:
        0.064729735 = weight(_text_:librarians in 5919) [ClassicSimilarity], result of:
          0.064729735 = score(doc=5919,freq=2.0), product of:
            0.21798341 = queryWeight, product of:
              4.479444 = idf(docFreq=1362, maxDocs=44218)
              0.04866305 = queryNorm
            0.296948 = fieldWeight in 5919, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              4.479444 = idf(docFreq=1362, maxDocs=44218)
              0.046875 = fieldNorm(doc=5919)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)

Abstract

An understanding of the workings of Library of Congress Subject Headings (LCSH) is one of the most valuable conceptual tools a researcher can have. The subject heading system is by no means obvious or self-evident, however; it must be taught, explained, and exemplified by librarians. Several points must be covered explicitly. The cross-reference notation of UF, BT, RT, SA, and NT has to be explained; the importance of choosing the most specific heading available, rather than a general term, must also be emphasized. There are four ways to find the most specific LCSH terms for a particular topic; two of them come from using the red books, two from using the online catalog itself. All four ways are important; none is obvious. Each must be taught

0.008990241 = product of:
  0.026970722 = sum of:
    0.026970722 = product of:
      0.053941444 = sum of:
        0.053941444 = weight(_text_:librarians in 3341) [ClassicSimilarity], result of:
          0.053941444 = score(doc=3341,freq=2.0), product of:
            0.21798341 = queryWeight, product of:
              4.479444 = idf(docFreq=1362, maxDocs=44218)
              0.04866305 = queryNorm
            0.24745665 = fieldWeight in 3341, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              4.479444 = idf(docFreq=1362, maxDocs=44218)
              0.0390625 = fieldNorm(doc=3341)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)

Footnote

Rez. in: KO 36(2009) nos.2/3, S.180-181 (N.K. Swain): " ... The User's Guide will undoubtedly be of great help to practitioners and tutors, as each chapter includes a summary and exercises. The purpose suggested by the title is fulfilled, serving as a companion to the 19th edition of the Sears List. It is designed a a manual for beginners who will realize the importance of vocabulary control and subject analysis, and start to comprehend the structure and organization of the Sears List as well as the methods and techniques to locate, specify, and construct subject headings. The book, however, lacks a good number of examples for practice. The emphasis seems to have been put more on the theoretical than the practical aspects. Despite this criticism, I unreservedly value the authors' efforts. At the same time, I can't help but wonder if the book will have wide access as the place of publication, the cost and the availability will especially affect the users in developing countries. The User's Guide will be a valuable tool to technical services librarians, subject catalogers, students and teachers of library and information science. It is intended for college and university libraries in general, but more particularly for library schools. The authors produced a work of high quality that stands out in its category.

0.008899884 = product of:
  0.026699653 = sum of:
    0.026699653 = product of:
      0.053399306 = sum of:
        0.053399306 = weight(_text_:librarians in 3750) [ClassicSimilarity], result of:
          0.053399306 = score(doc=3750,freq=4.0), product of:
            0.21798341 = queryWeight, product of:
              4.479444 = idf(docFreq=1362, maxDocs=44218)
              0.04866305 = queryNorm
            0.24496959 = fieldWeight in 3750, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              4.479444 = idf(docFreq=1362, maxDocs=44218)
              0.02734375 = fieldNorm(doc=3750)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)

Content

"Subject headings Many Italian libraries create subject headings for their catalogues, using as a reference guide the "Soggettario per i catalogui delle biblioteche italiane." This is basically a list of subject terms created by the Biblioteca nazionale centrale di Firenze (BNCF), first published in 1956 and later updated with various lists of new subject headings. Though the Soggettario is still the main available reference, librarians are generally aware that it is outdated in both vocabulary and structure, especially as it does not provide explicit principles and rules to create and combine subject headings. A research group, called the Gruppo di ricerca sull'indicizzazione per soggetto (GRIS), was founded in 1990. It was devoted to improving the principles and consistency of subject indexing. Its members have performed in depth investigations of the structure of subject headings, starting with the principles of facet analysis used in PRECIS and including original developments. Results of their work are coded into the Guida all'indicizzazione per soggetto, published in 1996 and available also online <http:// wwwaib.it/aib/commiss/gris/gulda.htm>. The GRIS guide does not concern vocabulary, but morphological and syntactical rules for choosing and combining terms according to a sound citation order, based an a "role scheme." Unfortunately, GRIS principles have been applied only in a small number of libraries, mainly in Tuscany, rohere most GRIS members are located. A new project is now attempting to blend the traditional authority of the Soggettario with the more advanced principles of GRIS. A working group has been formed with people from BNCF, GRIS, and others, to study the feasibility of a renewal of the Soggettario. The group produced a report book in 2002, specifying the desirable features of the new system, and is at present searching for grants to implement it.
Terminology and thesauri BNCF is also involved in a working group collecting information an online terminological resources <http://wwwindire.it/websemantico>. The group is headed by Paola Capitani, and has organized several roundtables an terminology in special domains, such as economy, fashion, law, and education. Thesauri are generally poorly known and used in Italy, although there are significant exceptions: among faceted systems we can mention the "Thesauro italiano di sociologia," published in 1999, and the "Thesaurus regionale toscano," as well as specialized an social sciences including a general outline, available both in print (1996) and online <http:// www regione.toscana.it/ius/ns-thesaurus/>. Classification systems The Dewey Decimal Classification (DDC) is by far the most widespread classification scheme in Italian libraries. A working group, coordinated by Luigi Crocetti, regularly translates the new editions of DDC manuals, and gives refresher courses an it for librarians. BNCF makes DDC numbers for bibliographical records both of its own catalogue, and of the national bibliography (= Bibliografia nazionale italiana: BNI), which is available for other libraries in a CD-ROM edition. A very large number of public libraries use DDC for their shelfmarks, so that users are accustomed to it. This situation is different from other European countries, e.g., Spain where UDC is widespread."

0.0076920334 = product of:
  0.0230761 = sum of:
    0.0230761 = product of:
      0.0461522 = sum of:
        0.0461522 = weight(_text_:22 in 3600) [ClassicSimilarity], result of:
          0.0461522 = score(doc=3600,freq=2.0), product of:
            0.17040971 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04866305 = queryNorm
            0.2708308 = fieldWeight in 3600, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.0546875 = fieldNorm(doc=3600)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)

Date

10. 9.2000 17:38:22

0.0065931715 = product of:
  0.019779515 = sum of:
    0.019779515 = product of:
      0.03955903 = sum of:
        0.03955903 = weight(_text_:22 in 5618) [ClassicSimilarity], result of:
          0.03955903 = score(doc=5618,freq=2.0), product of:
            0.17040971 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04866305 = queryNorm
            0.23214069 = fieldWeight in 5618, 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=5618)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)

Date

27. 5.2001 16:22:10

0.0065931715 = product of:
  0.019779515 = sum of:
    0.019779515 = product of:
      0.03955903 = sum of:
        0.03955903 = weight(_text_:22 in 5920) [ClassicSimilarity], result of:
          0.03955903 = score(doc=5920,freq=2.0), product of:
            0.17040971 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04866305 = queryNorm
            0.23214069 = fieldWeight in 5920, 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=5920)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)

Date

27. 5.2001 16:22:21

0.0065931715 = product of:
  0.019779515 = sum of:
    0.019779515 = product of:
      0.03955903 = sum of:
        0.03955903 = weight(_text_:22 in 2205) [ClassicSimilarity], result of:
          0.03955903 = score(doc=2205,freq=2.0), product of:
            0.17040971 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04866305 = queryNorm
            0.23214069 = fieldWeight in 2205, 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=2205)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)

Date

10. 9.2000 17:38:22

0.0065931715 = product of:
  0.019779515 = sum of:
    0.019779515 = product of:
      0.03955903 = sum of:
        0.03955903 = weight(_text_:22 in 3837) [ClassicSimilarity], result of:
          0.03955903 = score(doc=3837,freq=2.0), product of:
            0.17040971 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04866305 = queryNorm
            0.23214069 = fieldWeight in 3837, 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=3837)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)

Date

27. 8.2011 14:22:13

0.0054943096 = product of:
  0.016482929 = sum of:
    0.016482929 = product of:
      0.032965858 = sum of:
        0.032965858 = weight(_text_:22 in 3611) [ClassicSimilarity], result of:
          0.032965858 = score(doc=3611,freq=2.0), product of:
            0.17040971 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04866305 = queryNorm
            0.19345059 = fieldWeight in 3611, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.0390625 = fieldNorm(doc=3611)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)

Date

20. 6.2010 14:22:43