Search (216 results, page 1 of 11)

  • × theme_ss:"Informationsmittel"
  1. Van der Walt, M.: South African search engines, directories and portals : a survey and evaluation (2000) 0.14 
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    Abstract
    The purpose of this paper is to identify, describe, evaluate and compare South African search engines, directories and portals. The comparative evaluation entailed analysis of six search engines by means of a checklist of desirable features, as well as a performance test by means of sample searches. The following aspects and features are covered in the checklist: database characteristics, search facilities and techniques, search results and portal services. In the performance test the local search engines were also compared with three international ones. Aardvark was rated the best local search engine judging by its performance in the sample searches, but it was outperformed by two of the international engines, Alta Vista and FAST, with regard to the total number of relevant hits retrieved. The results of the investigation will be of use to searchers in their selection of appropriate search tools and to search engine developers in the process of improving their systems
  2. Chi, Y.; He, D.; Jeng, W.: Laypeople's source selection in online health information-seeking process (2020) 0.10 
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    Abstract
    For laypeople, searching online health information resources can be challenging due to topic complexity and the large number of online sources with differing quality. The goal of this article is to examine, among all the available online sources, which online sources laypeople select to address their health-related information needs, and whether or how much the severity of a health condition influences their selection. Twenty-four participants were recruited individually, and each was asked (using a retrieval system called HIS) to search for information regarding a severe health condition and a mild health condition, respectively. The selected online health information sources were automatically captured by the HIS system and classified at both the website and webpage levels. Participants' selection behavior patterns were then plotted across the whole information-seeking process. Our results demonstrate that laypeople's source selection fluctuates during the health information-seeking process, and also varies by the severity of health conditions. This study reveals laypeople's real usage of different types of online health information sources, and engenders implications to the design of search engines, as well as the development of health literacy programs.
    Date
    12.11.2020 13:22:09
  3. Brahmi, F.: Finding medical informatics sites online (1998) 0.09 
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    Abstract
    Reports results of searching the WWW for the term 'medican informatics' on 6 Web search engines and briefly reviews a number of selected Web site focusing on medical informatics auch as http://www.cpmc.columbia.edu/edu/textbook/ and http://www.hslib.washington.edu/informatics
  4. Thomsen, E.B.: ¬The World Wide Web of art (1998) 0.09 
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    Abstract
    The WWW is bringing a vast array of art resources to libraries worldwide providing access to copious information and images. Describes art gallery, art museum and other art sites on the Web, and draws attention to general search engines and directory sites
  5. Jacobs, M.: Criteria for evaluating alternative MEDLINE search engines (1998) 0.09 
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    Abstract
    Reports results of a study, undertaken at the J. Otto Lottes Health Sciences Library, Missouri University at Columbia, to derive a set of evaluation criteria to assist librarians in determining the positive and negative aspects of alternative Web sites available for searching MEDLINE via the WWW. A set of searches were used systematically to compare MEDLINE Web sites, including: Avicenna; America Online; HealthGate; PubMed; Medscape; and Physicians' Online. Focuses on the principle features of the search engines used in the sites: default fields and operators; MeSH; subheadings; stopwords protected in MeSH; truncation and stemming. Describes the group processes used to arrive at the evaluation criteria and some general conclusions which will help librarians in directing their users to a particular MEDLINE site
  6. Sperber, W.; Dalitz, W.: Portale, Search Engines and Math-Net (2000) 0.08 
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    Abstract
    In Math-Net stellen Personen und Institutionen ihre für die Mathematik relevanten Informationen auf eigenen Web-Servern bereit, doch sollen die Informationen in einheitlicher Weise erschlossen werden. Dazu gibt es sowohl für Server als auch für die Dokumente Empfehlungen für deren Strukturierung. Die lokalen Informationen werden durch automatische Verfahren gesammelt, ausgewertet und indexiert. Diese Indexe sind die Basis für die Math-Net Dienste. Das sind Search Engines und Portale, die einen qualifizierten und effizienten Zugang zu den Informationen im Math-Net bieten. Die Dienste decken im Gegensatz zu den universellen Suchmaschinen nur den für die Mathematik relevanten Teil des Web ab. Math-Net ist auch ein Informations- und Kornmunikationssystem sowie ein Publikationsmedium für die Mathematik. Die Entwicklung des Math-Net wird von dem breiten Konsens der Mathematiker getragen, den Zugang zu der für die Mathematik relevanten Information zu erleichtern und zu verbessern
  7. Burg, B.; Tallent, E.: Some new, and mostly awful, interfaces and the questions they pose (1995) 0.07 
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    Abstract
    Highlights a few poor CD-ROM database search engines and user interfaces. Examines the 'Motif Index to Folk Literature' by Stith Thompson, Sardius which carries annotated bibliographical citations to the Southern Afirca region by Jan Smuts House Library; the 'Internationale Bibliographie der Zeitschriftenliteratur aus allen Gebieten des Wissens' by Felix Dietrich Verlag. Offers suggested rules of thumb when buying a CD-ROM database
  8. Buntrock, R.E.: UMI's applied science and technology plus (1997) 0.07 
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    Abstract
    Abstracts and indexes have been migrating from print to digital for over 2 decades but original full text records, both text and image, are available in a variety of media. Producers of fully electronic journals are planning to index their content rather than rely on full text browsing, even with more powerful search engines. Reviews UMI's ProQuest on CD-ROM, a combination of HW Wilson Applied Science and Technology Abstracts (AST) and full text images of the original articles. The product is currently for DOS with a Windows version planned. Discusses searching and problems
  9. Zielinski, K.; Nielek, R.; Wierzbicki, A.; Jatowt, A.: Computing controversy : formal model and algorithms for detecting controversy on Wikipedia and in search queries (2018) 0.07 
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    Abstract
    Controversy is a complex concept that has been attracting attention of scholars from diverse fields. In the era of Internet and social media, detecting controversy and controversial concepts by the means of automatic methods is especially important. Web searchers could be alerted when the contents they consume are controversial or when they attempt to acquire information on disputed topics. Presenting users with the indications and explanations of the controversy should offer them chance to see the "wider picture" rather than letting them obtain one-sided views. In this work we first introduce a formal model of controversy as the basis of computational approaches to detecting controversial concepts. Then we propose a classification based method for automatic detection of controversial articles and categories in Wikipedia. Next, we demonstrate how to use the obtained results for the estimation of the controversy level of search queries. The proposed method can be incorporated into search engines as a component responsible for detection of queries related to controversial topics. The method is independent of the search engine's retrieval and search results recommendation algorithms, and is therefore unaffected by a possible filter bubble. Our approach can be also applied in Wikipedia or other knowledge bases for supporting the detection of controversy and content maintenance. Finally, we believe that our results could be useful for social science researchers for understanding the complex nature of controversy and in fostering their studies.
  10. Lambert, N.: ORBIT'S PowerSearch : what's great, what's missing (1994) 0.07 
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    Abstract
    Reviews the PowerSearch multifile searching software introduced by ORBIT Search Service as it is used for searching patent databases. Looks at its useful features: deduping, patent family grouping, merge, and virtual file merging. Looks at some possible improvements to both PowerSearch itself and to the ORBIT system to accomodate PowerSearch
    Source
    Searcher. 2(1994) no.5, S.18-22
  11. Bhavnani, S.K.; Peck, F.A.: Scatter matters : regularities and implications for the scatter of healthcare information on the Web (2010) 0.07 
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    Abstract
    Despite the development of huge healthcare Web sites and powerful search engines, many searchers end their searches prematurely with incomplete information. Recent studies suggest that users often retrieve incomplete information because of the complex scatter of relevant facts about a topic across Web pages. However, little is understood about regularities underlying such information scatter. To probe regularities within the scatter of facts across Web pages, this article presents the results of two analyses: (a) a cluster analysis of Web pages that reveals the existence of three page clusters that vary in information density and (b) a content analysis that suggests the role each of the above-mentioned page clusters play in providing comprehensive information. These results provide implications for the design of Web sites, search tools, and training to help users find comprehensive information about a topic and for a hypothesis describing the underlying mechanisms causing the scatter. We conclude by briefly discussing how the analysis of information scatter, at the granularity of facts, complements existing theories of information-seeking behavior.
  12. Gandhi, S.: Proliferation and categories of Internet directories : a database of Internet subject directories (1998) 0.06 
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    Abstract
    Reviews the exponential growth of Internet resources leading to the emergence of hundreds of Internet directories to organize those resources. Based upon their format, content, and characteristics, these Internet directories are categorized into 8 groups. From one of these groups. 'Subject directories published in professional journals' all published Internet directories are identified and listed in detail. Using Paradox-For-Windows, a comprehensive database of more than 350 of these directories was developed. Analyzes and interprets the data contained in the database and reviews the strengths and weaknesses of print Internet subject directories as compared to online directories and other search engines
  13. Aghemo, A.: ¬Il reference librarian nel contesto multimediale (1998) 0.06 
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    Abstract
    Discusses the specialised knowledge and training which the multimedia reference librarian needs in order to provide a satisfactory oersonalised assistance service to online and CD-ROM users. Multimedia products combine electronic text, graphic art, animation and video for user interaction from a workstation. Thus the librarian should not only by familiar with search engines and websites, but also understand computer start-up procedures, passwords, keyboards, software and basic maintenance, data security matters and copyright. Explains the 4 distinct levels of librarian help in query-solving
  14. Martínez-Ávila, D.; Chaves Guimarães, J.A.; Pinho, F.A.; Fox, M.J.: ¬The representation of ethics and knowledge organization in the WoS and LISTA databases (2015) 0.05 
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    Abstract
    A naïve user seeking introductory information on a topic may perceive a domain as it is shown by the search results in a database; however, inconsistencies in indexing can misrepresent the full picture of the domain by including irrelevant documents or omitting relevant ones, sometimes inexplicably. A bibliometric analysis was conducted on the domain of ethics in knowledge organization in the World of Science (WoS) and Library, Information Science & Technology Abstracts (LISTA) databases to discern how it is being presented by search results in those databases and to attempt to determine why inconsistencies occurred.
    Date
    17. 2.2018 16:50:22
  15. Potmesil, M.: Maps alive : viewing geospatial information on the WWW (1997) 0.04 
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    Abstract
    Describes a WWW based system which allows users to view, search and post geographically indexed information of the Earth. 2 geographic browsers have been developed: a 2D map browser capable of continuous scroll and zoom of an arbitrarily large sheet and a 3D flight-simulator browser capable of continuous flight around the Earth. On the server side, a geographical and geometrical server has been developed which contains large databases of images, elevations, lines, points and polygons stored in tiles structured into hierarchical pyramids or quadtrees. A metadata server has also been developed which contains URL pointers and geographical coordinates of various WWW documents, geographical information and geometrical models
    Date
    1. 8.1996 22:08:06
  16. Northern Light demonstrates Industry Search (1998) 0.04 
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    Abstract
    Northern Light Technology have demonstrated Industry Search, an enhancement to its Northern Light service providing full text coverage of company and industry news, management practices and market research information via the WWW
    Object
    Industry Search
  17. Shue, J.-S.; Wu. S.: GAIS computer science bibliographies search (1997) 0.04 
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    Abstract
    GAIS computer science bibliographies search is a WWW service providing a searchable interface on bibliographies related to computer science. It holds about 400.000 references, mirrored from the Informatics for Engineering and Science Department of the University of Karlsruhe, and allows full text searching through the search engine GAIS (Global Area Intelligent Search). Discusses its design and architecture
  18. Stock, M.; Stock, W.G.: Intellectual property information : A comparative analysis of main information providers (2006) 0.04 
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    Abstract
    After modeling expert user needs with regard to intellectual property information, we analyze and compare the main providers in this specific information area (Thomson DIALOG, Esp@cenet by the European Patent Office, Questel-Orbit, and STN International) in terms of system content and system functionality. The key question is whether the main providers are able to satisfy these expert user needs. For patent information, some special retrieval features such as chemical structure search (including Markush search), patent family references and citations search, biosequence search, and basic informetric functionality such as ranking, mapping, and visualization of information flows are realized. Considering the results of information science research, the practice of patent information shows unexhausted improvement opportunities (e.g., the application of bibliographic patent coupling and co-patent-citation for mapping patents, patent assignees, and technology specialties). For trademark search, users need multiple truncated search (realized) as well as phonetic search and image retrieval (not realized yet).
  19. Nicholas, D.: LISA Plus on CD-ROM : version 4 (1997) 0.03 
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    Abstract
    Presents a brief, critical review of LISA PLaus: the CD-ROM database version of LISA and which includes the database of Current Research in Library and Information Science (CRLIS). The review covers the DOS version only, as it appeared in the Summer 1996 CD-ROM, noting that the Windows version was planned for the future. Points to the way LISA has found its mark, if not its fortune, in LISA Plus and notes its strengths, including: ideal suitability for current awareness in library and information science (LIS); massive and convenient consolidation of the published LIS literature; and massive increase in coverage from 7.900 abstracts in 1993 to over 12.000 currently. Criticizes certain features of LISA Plus, notably: the OPTI-Ware search interface; the combination of 2 databases (LISA and CRLIS) in a single, searchable database; and certain unexpected effects caused by the building of the Subject and Free Text indexes. Points particularly to great lack of consistency in the indexes and the indexing (faults that were fully rectified by a complete overhaul of the data in Summer 1996). Notes that LISA Plus is the first port of call for both information researchers and information science students. The Windows version of LISA Plus was launched in Spring 1997
    Date
    9. 2.1997 18:44:22
  20. Vanopstal, K.; Stichele, R.Vander; Laureys, G.; Buysschaert, J.: PubMed searches by Dutch-speaking nursing students : the impact of language and system experience (2012) 0.03 
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    Abstract
    This study analyzes the search behavior of Dutch-speaking nursing students with a nonnative knowledge of English who searched for information in MEDLINE/PubMed about a specific theme in nursing. We examine whether and to what extent their search efficiency is affected by their language skills. Our task-oriented approach focuses on three stages of the information retrieval process: need articulation, query formulation, and relevance judgment. The test participants completed a pretest questionnaire, which gave us information about their overall experience with the search system and their self-reported computer and language skills. The students were briefly introduced to the use of PubMed and MeSH (medical subject headings) before they conducted their keyword-driven subject search. We assessed the search results in terms of recall and precision, and also analyzed the search process. After the search task, a satisfaction survey and a language test were completed. We conclude that language skills have an impact on the search results. We hypothesize that language support might improve the efficiency of searches conducted by Dutch-speaking users of PubMed.

Authors

Years

Languages

  • e 110
  • d 104
  • i 1
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Types

  • a 189
  • i 15
  • el 14
  • m 11
  • s 3
  • b 1
  • x 1
  • More… Less…

Themes

Subjects

Classifications