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Showing 1 to 15 of 143 results Save | Export
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Tsao, Nai-Lung; Kuo, Chin-Hwa; Wible, David; Hung, Tsung-Fu – Educational Technology & Society, 2009
In this paper, we propose a syntax-based text retrieval system for on-line language learning and use a fast regular expression search engine as its main component. Regular expression searches provide more scalable querying and search results than keyword-based searches. However, without a well-designed index scheme, the execution time of regular…
Descriptors: Syntax, Search Engines, Information Retrieval, Mathematics
Meadow, Charles T.; Cochrane, Pauline (Atherton) – 1981
Intended to teach the principles of interactive bibliographic searching to those with little or no prior experience, this textbook explains the basic elements of online information retrieval and compares the major database search systems. Its chapters address (1) relevant definitions and vocabulary; (2) the conceptual facets of database searching,…
Descriptors: Databases, Information Retrieval, Information Systems, Online Systems
King, Kathryn L. – 1980
This abridged adaptation from the BRS System Reference Manual identifies and briefly explains the meanings and functions of the logical operators used to retrieve information from the BRS system. (FM)
Descriptors: Guides, Information Retrieval, Information Systems, Online Systems
Porter, Brandi – ProQuest LLC, 2009
Millennial students make up a large portion of undergraduate students attending colleges and universities, and they have a variety of online resources available to them to complete academically related information searches, primarily Web based and library-based online information retrieval systems. The content, ease of use, and required search…
Descriptors: Undergraduate Students, Investigations, Familiarity, Search Strategies
Royal Inst. of Tech., Stockholm (Sweden). Library. – 1981
This descriptive guide provides introductory information geared to aid both the user and the information manager in the use of 3RIP, an online text database system consisting of three components: (1) a retrieval system used to locate and display records, (2) a file handler used to read records from files and to write records onto files, and (3) a…
Descriptors: Databases, Editing, Information Retrieval, Information Systems
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Harrison, Isom, Jr. – 1979
This paper describes the content, organization, specifications, and methods of use of the CAS77 and CAS7276 online files of worldwide chemical literature, databases produced by Chemical Abstracts Service and available from System Development Corporation (SDC). The scope of the databases, their unit record, their data elements, their modes of…
Descriptors: Chemistry, Databases, Information Retrieval, Information Systems
Carville, M.; And Others – Information Storage and Retrieval, 1971
On-line reference retrieval is seen as replacing tape driven systems within a few years. Design criteria are discussed including minimizing the number of disc accesses, use of hash coding for searching a thesaurus and searching with precise terms first and common terms last. (6 references) (Author/SJ)
Descriptors: Information Retrieval, Information Systems, Online Systems, Program Design
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Quinn, Karen Takle – Online Review, 1980
Concentrates on the practical, everyday aspects of online search strategy, specifically offering ideas and comments on search strategies for STAIRS users. Included are tables listing the logical operators available on the system and the search level (document, paragraph, sentence, word) of each. (Author/JD)
Descriptors: Information Retrieval, Information Systems, Online Systems, Search Strategies
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Journal of the American Society for Information Science, 1980
Addresses the problem of systematic biases which affect the way that individuals construct and modify search queries on online retrieval systems, and suggests a searching algorithm that helps to avoid the effect of those biases. (FM)
Descriptors: Algorithms, Bias, Information Retrieval, Information Systems
Unruh, Betty – 1980
Based on information solicited from database producers which had files publicly available on SDC and/or Lockheed, this study is intended to help searchers assess available database support materials with regard to their cost, format, depth, and purpose. The eight assumptions addressed cover the following areas: (1) the amount of reference material…
Descriptors: Databases, Information Systems, Merchandise Information, Online Systems
Larsson, Rolf – 1980
Guidelines for use of the Common Command Language (CCL) are briefly described in this report. The CCL was designed to combine functions of individual command languages available with databases on the interactive bibliographic retrieval system 3RIP. Conditions of user-system interaction are explained, with a list of user aids available. The 20…
Descriptors: Guidelines, Information Retrieval, Information Systems, Online Systems
Hoover, Ryan E. – Online, 1979
Compares database update currency, number of hits, elapsed time, number of offline prints or online types, offline print turnaround time, vendor rates, total search cost, and discounted search cost based on vendor discount rates for five simple searches run on three major commercial vendors' online systems. (CWM)
Descriptors: Comparative Analysis, Databases, Information Retrieval, Information Systems
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Rastogi, Kunj B. – Journal of the American Society for Information Science, 1980
Considers a study of two models of name/title-derived search keys in a large online library network. Results predicted by the models are compared with results obtained from actual retrieval behavior of keys entered by users of the system. (FM)
Descriptors: Information Retrieval, Information Systems, Library Networks, Models
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And Others; Van Slype, Georges – Online Review, 1980
Explains search commands for SERIDU, an online bibliographic search system developed at Brussels Free University. These commands and output formats are compared with Euronet commands (from which they were derived), with existing INFODOC storage system commands, and with the planned BIDULE system commands. An evaluation of SERIDU is included. (SW)
Descriptors: Databases, Information Retrieval, Information Systems, Online Systems
Kowitz, Gerald T.; And Others – 1971
The General Information Processing System (GIPSY) of the Merrick Computing Center is a user dominated system. It can be used to manipulate and retrieve both numeric and alphabetic material. One of its most interesting uses is in the selection and retrieval of records and documents or of selected entries from records and documents. It has been used…
Descriptors: Educational Resources, Information Processing, Information Retrieval, Information Systems
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