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Peer reviewedRoberts, Anita B.; And Others – Journal of Chemical Documentation, 1972
The experiences in developing current awareness services for selective dissemination of information from Chemical Abstracts'' Condensates data base are described. File standardization, the weighted-term method of searching, and the algorithm used to perform the search on the CDC 6600 computer and a user survey are discussed. (2 references)…
Descriptors: Algorithms, Computer Oriented Programs, Data Processing, Information Dissemination
Peer reviewedFigueras, John – Journal of Chemical Documentation, 1972
The set reduction algorithm is based on set theory and Boolean algebra rather than the graph-theoretic approach. Time trials with a small file of organic chemical structures indicate that the algorithm can be economically used for substructure (or complete structure) sequential searches on a file containing 30,000-50,000 computer-coded structures.…
Descriptors: Algorithms, Computer Oriented Programs, Data Processing, Information Retrieval
Pietrzyk, Alfred, Comp.; And Others – 1968
Based on material collected for system-automation studies within the efforts of the Linguistic Documentation Program toward development of a Language Information Network and Clearinghouse System (LINCS), the bibliography lists 216 references under the headings: (1) Survey, Reviews, Symposia (19 references); (2) File-organization Principles (18…
Descriptors: Automation, Bibliographies, Classification, Computer Oriented Programs
Peterson, Ivars – Science News, 1984
Methods to make computer searching as simple and efficient as possible have led to the development of various data structures. Data structures specify the items involved in searching and what can be done to them. The nature and advantages of using "self-adjusting" data structures (self-adjusting binary search trees) are discussed. (JN)
Descriptors: Computer Oriented Programs, Computer Science, Computer Science Education, Computer Software
Download full textKommers, Piet, Ed.; Issa, Tomayess, Ed.; Issa, Theodora, Ed.; McKay, Elspeth, Ed.; Isias, Pedro, Ed. – International Association for Development of the Information Society, 2016
These proceedings contain the papers and posters of the International Conferences on Internet Technologies & Society (ITS 2016), Educational Technologies (ICEduTech 2016) and Sustainability, Technology and Education (STE 2016), which have been organised by the International Association for Development of the Information Society and…
Descriptors: Conferences (Gatherings), Foreign Countries, Internet, Educational Technology
DeHart, Florence E.; Stutzman, Margaret – 1971
Two questions arise in regard to the computer-based humanities reference services: (1) What knowledge, abilities, and attitudes should the information specialist or librarian in the university library have in order to aid users in fully exploiting the innovative humanities information handling processes? (2) To what extent do users in the…
Descriptors: College Libraries, Computer Oriented Programs, Cost Effectiveness, Data Processing
American Society for Information Science, Washington, DC. Special Interest Group on Computerized Retrieval Services. – 1976
Three papers on system requirements for on-line and batch retrieval presented at the American Society for Information Science (ASIS) annual meeting are included here. At G.D. Searle, data for records related to pharmacology screening are used in a batch system, and an on-line system is used to search information on mutagenic, carcinogenic, and…
Descriptors: Computer Oriented Programs, Computer Programs, Conference Reports, Costs
