Web of Science
Institute for Scientific Information
The Institute for Scientific Information was founded by Eugene Garfield in 1960. It was acquired by Thomson Scientific & Healthcare in 1992, became known as Thomson ISI and now is part of the Healthcare & Science business of the multi-billion dollar Thomson Reuters Corporation.ISI offered...

 Web of Knowledge
is an academic citation indexing and search service, which is combined with web linking and provided by Thomson Reuters
Thomson Reuters
Thomson Reuters Corporation is a provider of information for the world's businesses and professionals and is created by the Thomson Corporation's purchase of Reuters Group on 17 April 2008. Thomson Reuters is headquartered at 3 Times Square, New York City, USA...

. Web of Knowledge coverage encompasses the sciences, social sciences
Social sciences
Social science is the field of study concerned with society. "Social science" is commonly used as an umbrella term to refer to a plurality of fields outside of the natural sciences usually exclusive of the administrative or managerial sciences...

, arts and humanities
The humanities are academic disciplines that study the human condition, using methods that are primarily analytical, critical, or speculative, as distinguished from the mainly empirical approaches of the natural sciences....

. It provides bibliographic content and the tools to access, analyze, and manage research information. It has the attribute that multiple databases can be searched simultaneously.


It is described as a unifying research tool which enables the user to acquire, analyze, and disseminate database information in a timely manner. This is accomplished because of the creation of a common vocabulary for varied search terms and varied data. Moreover, search terms generate related information across categories.

Acceptable content for the Web of Knowledge is determined by an evaluation and selection process based on the following criteria: impact, influence, timeliness, peer review
Peer review
Peer review is a process of self-regulation by a profession or a process of evaluation involving qualified individuals within the relevant field. Peer review methods are employed to maintain standards, improve performance and provide credibility...

, and geographic representation.

Search and analysis

Web of Knowledge employs various search and analysis capabilities. First, Citation indexing is employed, which is enhanced by the capability to search for results across disciplines. The influence, impact, history, and methodology
Methodology is generally a guideline for solving a problem, with specificcomponents such as phases, tasks, methods, techniques and tools . It can be defined also as follows:...

 of an idea can be followed from its first instance, notice, or referral to the present day. This technology points to a deficiency with the keyword-only method of searching. Second, subtle trends and patterns, relevant to the literature or research of interest become apparent. Broad trends indicate significant topics of the day, as well as the history relevant to both the work at hand, and particular areas of study. Third, trends can be graphically represented.

The database

The database includes the following:
  • 23,000 academic and science journals (Including Web of Science
    Web of Science
    ISI Web of Knowledge is an academic citation indexing and search service, which is combined with web linking and provided by Thomson Reuters. Web of Knowledge coverage encompasses the sciences, social sciences, arts and humanities. It provides bibliographic content and the tools to access, analyze,...

     journal listings)
  • 23,000,000 patent
    A patent is a form of intellectual property. It consists of a set of exclusive rights granted by a sovereign state to an inventor or their assignee for a limited period of time in exchange for the public disclosure of an invention....

  • 110,000 conference proceedings
    In academia, proceedings are the collection of academic papers that are published in the context of an academic conference. They are usually distributed as printed books either before the conference opens or after the conference has closed. Proceedings contain the contributions made by researchers...

  • 9,000 websites
  • Coverage from the year 1900 to present day (with Web of Science)
  • Over 40 million source items
  • Integrated and simultaneous searching across multiple databases

Abstracting and indexing

The ISI Web of Knowledge suite encompasses the following database
A database is an organized collection of data for one or more purposes, usually in digital form. The data are typically organized to model relevant aspects of reality , in a way that supports processes requiring this information...

  • Arts & Humanities Citation Index is accessed via the Web of Science
  • Biological Abstracts
    Biological Abstracts
    Biological Abstracts is a database produced by Thomson Reuters through its subsidiary BIOSIS. It includes abstracts from peer-reviewed academic journal articles in the fields of biology, biochemistry, biotechnology, botany, pre-clinical and experimental medicine, pharmacology, zoology, agriculture,...

  • Biosis Citation Index on the ISI Web of Knowledge platform
  • CAB Abstracts from CAB Direct
  • Conference Proceedings Citation Index  complements and extends the journal-based information in other Web of Science citation databases.
  • Current Chemical Reactions Web of Science access
  • Current Contents Connect
  • Derwent Innovations Index
  • Essential Science Indicators
  • FSTA Food Science Technology Abstracts
  • Global Health from CAB Direct
  • Index Chemicus
  • Inspec
    Inspec is a major indexing database of scientific and technical literature, published by the Institution of Engineering and Technology , and formerly by the Institution of Electrical Engineers , one of the IET's forerunners....

     incorporates backfiles to 1898
  • ISI Highly Cited
  • Journal Citation Reports
    Journal Citation Reports
    Journal Citation Reports is an annual publication by the Healthcare & Science division of Thomson Reuters. It has been integrated with the Web of Knowledge, by Thomson Reuters, and is accessed from the Web of Science to JCR Web. It provides information about academic journals in the sciences and...

    MEDLINE is a bibliographic database of life sciences and biomedical information. It includes bibliographic information for articles from academic journals covering medicine, nursing, pharmacy, dentistry, veterinary medicine, and health care...

     bibliographic database for the U.S. National Library of Medicine
  • Science Citation Index Expanded
  • Social Sciences Citation Index
    Social Sciences Citation Index
    Social Sciences Citation Index is an interdisciplinary citation index product of Thomson Reuters' Healthcare & Science division. It was developed by the Institute for Scientific Information from the Science Citation Index....

  • Web of Science provides bibliographic and citation information in the sciences, social sciences, arts, and humanities.
  • Zoological Record a database of animal biology and taxonomic reference (unofficial register of animal names).

See also

Other bibliographic databases:

  • Compendex
    Compendex, the computerized version of the Engineering Index, is a comprehensive engineering bibliographic database. Compendex is an index of engineering materials started in 1884, compiled by hand under the original title of Engineering Index. As Compendex it is now published by Elsevier. The...

  • CSA databases
    CSA (database company)
    CSA Illumina is a provider of online databases, based in Ann Arbor, Michigan. It is now a division of ProQuest, which in turn is now a subsidiary of the Cambridge Information Group...

  • Chemical Abstracts Service
    Chemical Abstracts Service
    Chemical Abstracts is a periodical index that provides summaries and indexes of disclosures in recently published scientific documents. Approximately 8,000 journals, technical reports, dissertations, conference proceedings, and new books, in any of 50 languages, are monitored yearly, as are patent...

  • Dialog (online database)
    Dialog (online database)
    Dialog is an online information service owned by ProQuest, who acquired it from Thomson Reuters in mid-2008.Dialog was one of the predecessors of the World Wide Web as a provider of information, though not in form. The earliest form of the Dialog system was completed in 1966 under the direction of...

  • Energy Citations Database
    Energy Citations Database
    The Energy Citations Database was created in 2001 in order to make scientific literature citations, and electronic documents, publicly accessible from U.S. Department of Energy , and its predecessor agencies, at no cost to the user. This database also contains all the unclassified materials...

  • Energy Science and Technology Database
    Energy Science and Technology Database
    The Energy Science and Technology Database is a multidisciplinary file containing worldwide references to basic and applied scientific and technical research literature. The information is collected for use by government managers, researchers at the national laboratories, and other research...

  • Geographic Names Information System
    Geographic Names Information System
    The Geographic Names Information System is a database that contains name and locative information about more than two million physical and cultural features located throughout the United States of America and its territories. It is a type of gazetteer...

  • Materials Science Citation Index
    Materials Science Citation Index
    The Materials Science Citation Index is a citation index, established in 1992, by Thomson ISI . Its overall focus is cited reference searching of the notable and significant journal literature in materials science. The database makes accessible the various properties, behaviors, and materials in...

  • MathSciNet

  • PASCAL database
  • Science Citation Index
    Science Citation Index
    The Science Citation Index is a citation index originally produced by the Institute for Scientific Information and created by Eugene Garfield in 1960, which is now owned by Thomson Reuters. The larger version covers more than 6,500 notable and significant journals, across 150 disciplines, from ...

  • SPIN bibliographic database
    SPIN bibliographic database
    SPIN bibliographic database is an indexing and abstracting service produced by the American Institute of Physics . The content focus of SPIN is described as the most significant areas of physics research. This type of literature coverage spans the major physical science journals and magazines...

  • VINITI Database RAS
    VINITI Database RAS
    VINITI Database RAS is the All-Union Institute for Scientific and Technical Information database. It is described as a large abstracting database. In general, it is indexed for the natural sciences, exact sciences, and technical sciences...

  • List of academic journal search engines

External links

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