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The main academic full-text databases are open archives or link-resolution services, although others operate under different models such as mirroring or hybrid publishers. . Such services typically provide access to full text and full-text search, but also metadata about items for which no full text is availa
Databases: EBSCO provides a range of library database services. [22] Many of the databases, such as MEDLINE and EconLit, are licensed from content vendors.Others, such as Academic Search, America: History and Life, Art Index, Art Abstracts, Art Full Text, Business Source, Clinical Reference Systems, Criminal Justice Abstracts, Education Abstracts, Environment Complete, Health Source ...
Academic Search is a monthly indexing service. It was first published in 1997 by EBSCO Publishing in Ipswich, Massachusetts. Its academic focus is international universities, covering social science, education, psychology, and other subjects. Publishing formats covered are academic journals, magazines, newspapers, and CD-ROM. [1] [2]
This allows a user to search multiple databases at once in real time, arrange the results from the various databases into a useful form and then present the results to the user. As such, it is an information aggregation or integration approach - it provides single point access to many information resources, and typically returns the data in a ...
EBSCO. EBSCO Information Services is a major US-based provider of library resources and information services. It manages a wide range of databases covering all subject areas. For more information see its website. EBSCO's partnership with The Wikipedia Library includes one-year access to the following resources:
Searching for textual content in databases or structured data formats (such as XML and CSV) presents special challenges and opportunities which specialized search engines resolve. Databases allow logical queries such as the use of multi-field Boolean logic, while full-text searches do not. "Crawling" (a human by-eye search) is not necessary to ...
A federated database system (FDBS) is a type of meta-database management system (DBMS), which transparently maps multiple autonomous database systems into a single federated database. The constituent databases are interconnected via a computer network and may be geographically decentralized. Since the constituent database systems remain ...
The name "Entrez" (a greeting meaning "Come in" in French) was chosen to reflect the spirit of welcoming the public to search the content available from the NLM. Entrez Global Query is an integrated search and retrieval system that provides access to all databases simultaneously with a single query string and user interface.