Literatur zur Informationserschließung

Diese Datenbank enthält über 40.000 Dokumente zu Themen aus den Bereichen Formalerschließung – Inhaltserschließung – Information Retrieval.

© 2015 W. Gödert, TH Köln, Institut für Informationswissenschaft / Powered by litecat, BIS Oldenburg (Stand: 28. April 2022)

Suchergebnisse

• 1
  Ojala, M.: Web search engines : search syntax and features.
  In: Online. 26(2002) no.5, S.28-31.
  
  Themenfeld: Suchmaschinen
  
  
• 2
  Ojala, M.: trailing trails of glory at Online Information '97.
  In: Searcher. 6(1998) no.3, S.48-52.
  
  Abstract: Reports on the Online Information '97 exhibition, part of the 21st International Online Meeting (IOLM) held in London, Dec 1997. The exhibition attracted 17.000 visitors and 274 exhibitors. Colour-coded information trails guided visitors to stands in 6 categories: information management, electronic publishing, company and financial information, news and media providers, legal and government information, and scientific, technical and medical information. Discusses recent mergers in the online information industry including the purchase of Knight-ridder Information by M.A.I.D. to form The Dialog Corporation. Describes the ChemPort project from chemical abstracts which links bibliographic references to full-text documents and its rival product ChemWeb from Elsevier
  
  
  
• 3
  Pemberton, J.K. ; Ojala, M. ; Garman, N.: Head to head : searching the Web versus traditional services.
  In: Online. 22(1998) no.3, S.24-26,28.
  
  Abstract: Describes of 3 searches on the topic of virtual communities done on the WWW using HotBot and traditional databases using LEXIS-NEXIS and ABI/Inform. Concludes that the WWW is a good starting place for a broad concept search but the traditional services are better for more precise topics
  
  Themenfeld: Retrievalstudien
  Objekt: HotBot ; LEXIS/NEXIS ; ABI/Inform
  
  
• 4
  Ojala, M.: Online, past, present and future : repetition, reinvention, or reincarnation?.
  In: Online. 21(1997) no.1, S.63-66.
  
  Abstract: Exemplifies the progress of online business searching using services offered by The Information Bank which is now part of LEXIS-NEXIS. It developed through abstract and index databases, fulltext and imaging, and offering different products to differing markets through differing services. Although the range of information sources has expanded, much of the content is repetiton. Offers advice to online hosts and database producers for dealing with future trends
  
  Objekt: LEXIS-NEXIS
  
  
• 5
  Ojala, M.: Commands that RANKle.
  In: Online. 21(1997) no.4, S.70-73.
  
  Abstract: Examines the RANK command on DIALOG using a statistical analysis of articles in DATABASE as an example. The RANK command was used to find authors, company names, and length of articles. Use of the command revealed a number of complexities and revealed some problematic indexing on the part of the database producers. The LEXIS-NEXIS RANK command was also used, but this fulfils a different function to the command of the same name in DIALOG
  
  Themenfeld: Retrievalalgorithmen
  Objekt: LEXIS-NEXIS ; DIALOG
  
  
• 6
  Ojala, M.: Who's hosting this search?.
  In: Online. 19(1995) no.4, S.88-92.
  
  Abstract: Looks at search features shared by hosts but implemented differently which may affect a searcher's decision over which host to use when databases are available on multiple hosts. These are: Boolean variations, proximity operators, length of strategy that can be input, nested searches. Outlines a number of features unique to particular hosts
  
  
  
• 7
  Ojala, M.: Filtered information and intelligent agent software.
  In: Business information alert. 7(1995) no.6, S.1-3.
  
  Abstract: Filtered information retrieval using intelligent agent software is becoming increasingly significant in business current awareness. Gives a number of definitions of this type of information retrieval and describes characteristics of currently available software. Suggests a checklist for those considering purchasing such tools. They are aimed at business executives. Suggests how business librarians can promote their use
  
  
  
• 8
  Ojala, M.: Generalists or specialists?.
  In: Library manager. 1995, no.9, S.5.
  
  Abstract: Examines how in the information world, as in science and many other disciplines, the need for greater specialisation is increasing. At the same time, information professionals have to be expert on a wider range of topics, not only locating and evaluating information, but interpreting the technicalities of obtaining it. However, there is still an important role for the generalist in this environment, and information specialists are well placed to be the future leaders of companies
  
  
  
• 9
  Ojala, M.: Troubleshooting your search : whatever can go wrong, will go wrong.
  In: Online. 19(1995) no.6, S.59-61.
  
  Abstract: There are a number of different ways in which an online search can go wrong. Searcher error includes: typographical mistake, dealing with phrases, and wrong choice of database. Producer errors include: typographical errors, poor source data, wrong coding, and missing and duplicate data
  
  
  
• 10
  Ojala, M.: Decisions, decisions, RANK decisions.
  In: Online. 18(1994) no.2, S.74-77.
  
  Abstract: Describes the RANK command which enables searchers of DIALOG databases do statistical analysis online. Describes the basic features of the ranking command. The fields to which this command can be applied run into the thousands. Shows how RANK can be used for content analysis. Details the limitations of the command and compares it with the SORT command. Offers advice on ranking results without using this command
  
  Themenfeld: Retrievalalgorithmen
  
  
• 11
  Ojala, M.: Research into full-text retrieval.
  In: Database. 13(1990) August, S.78-80.
  
  Themenfeld: Volltextretrieval
  
  
• 12
  Ojala, M.: Views on end-user searching.
  In: Journal of the American Society for Information Science. 37(1986), S.197-203.