2 edition of Retrieval experiments based on Chemical abstracts condensates found in the catalog.
Retrieval experiments based on Chemical abstracts condensates
F. H. Barker
|Statement||by F.H. Barker, D.C. Veal, B.K. Wyatt.|
|Series||UKCIS, research report -- 2|
|Contributions||Veal, D. C., Wyatt, B. K., United Kingdom Chemical Information Service.|
|The Physical Object|
|Pagination||(3), ix, 137 p.|
|Number of Pages||137|
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The references are in alphabetical order of sole or lead author, and in date order for each author. Barker, F.H., Veal, D.C. and Wyatt, B.K. Retrieval Experiments Based on Chemical Abstracts Condensates, Research Report No.
2, UKCIS, A Single Measure of Retrieval Effectiveness Based on the Weak Ordering Action of Retrieval Systems. Comparison of the Retrieval Effectiveness of CA Condensates (CACon) and CA Subject Index Alert (CASIA).
Journal of Chemical Information and Computer Sciences17 (1), DOI: /cia Joseph Santodonato. A Comparison of On-Line and Manual Modes in Searching Chemical Abstracts for Specific Compounds.
SINCE when The Danish Technological Library started to offer a regular retrieval and SDI service based upon the CA Condensates tapes from Chemical Abstracts Service , we have had regular requests regarding the possibilities for retrospective by: 3.
Information Retrieval Computer Technique Chemical Literature File Item Numeric Information These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm by: 3.
CARBOHYDRATE RESEARCH Note Computer retrieval of carbohydrate references from the current chemical literature G. DUTTON AND K. GIBNEY* Department of Chemistry, University of Britislh Columbia, Vancouver, British Columbia (Canada) (Received March 26th, ; accepted June 14th, ) The increase in scientific literature led some years ago Author: G.G.S.
Dutton, K.B. Gibney. Get article recommendations from ACS based on references in your Mendeley library. You’ve supercharged your research process with ACS and Mendeley. Continue. STEP 1: Login with ACS ID Logged in Success Click to create an ACS ID.
STEP 2: Login with Mendeley Logged in Success Create a Mendeley account. Experiment 2 Experiments in relevance weighting of search terms r Pig. Experiment 3. specifically R4))R1 = C))T. Yardstick performance is again much better than predictive, while R4 is in this case the same as Yl.
Absolutely, R4 performance in Experiment 1 is better than in Experiment by: This paper is primarily based on experience gained from developing and operating MORPHS—Minicomputer Operated Retrieval (Partially Heuristic) System, the essentials of which were described  at the 5th Cranfield International Conference on Mechanized In- Cited by: 2.
Experiments were also carried out in which the bit strings alone were used as the basis fur the calculation of the matching coefficient between a document and the query.
This one-level search is a much more stringent test of the ability of the bit strings to characterise the content of the documents and queries, Cited by: 9. CHEM/SDI is a current information retrieval ser-vice. It uses CAC (Chemical Abstracts Condensates) magnetic tapes.
The CHEM/SDI selects current information from journals, reports, books, patents and conferences that are incorporated in the latest issue of CAC tapes.
The selection and matching is accomplished by a fully computerised processAuthor: S K Kumar, V A Kamath. Journal of Chemical Information and Computer Sciences17 (2), DOI: /cia J. Rowland, Margaret A. Veal. Structure-Text and Nomenclature-Text Searching for Chemical Information: an Experiment with the Chemical Abstracts Integrated Subject File and Registry by: 6.
awarded a grant ofin order to facilitate the start of computerized information retrieval activities Retrieval experiments based on Chemical abstracts condensates book Denmark, Finland and Norway, see Olivecrona, ().4 Similarly SDI systems in chemistry and chemical technology such as Chemical Titles (CT), Chemical Biological Activities (CBAC) and Chemical Abstracts Condensates (CAC) had.
Chemical Abstracts, Biological Abstracts, Index Medicus, and Science Citation Index each provided coverage of 79% to 85% of the citations.
Scientometrics is concerned with the quantitative features and characteristics of science and scientific research. Emphasis is placed on investigations in which the development and mechanism of science are studied by statistical mathematical methods.
The journal publishes original studies, short communications, preliminary reports, review. CONDENSATES (Chemical Abstracts) are all readily accessible and provide improved literature searching of published in- formation.
Smaller files, such as scientists’ personal literature collections, have also been successfully computerized.
Development of a decision model for the economical retrospective machine searching of CA condensates based on subdividing the file on a subject basis by Bahaa El-Hadidy Chemical abstracts by American Chemical an introduction to online access to CA search via the Lockheed DIALOG information retrieval service by American.
Chemical Abstracts offers the best example of thoroughness in this respect, but Nuclear Science Abstracts is very realistic in its coverage of both published and unpublished material.
Chemical Abstracts issues every five years a list of journals and other serial material covered, with their locations in libraries. Photostat copies of articles.
"A tree based algorithm for nearest neighbour searching in document retrieval systems", Ph.D. dissertation, The University of North Carolina at Chapel Hill, (). Google Scholar Digital Library Eastman, C.
and Weiss, S. Retrieval, Information Storage, *Magnetic Tapes Machine Readable Bibliographic Data. Bases. This per presents a detailed bnalysis of the content and format of seven machine-readable bibligra2hic data bases: chemical Abstracts Service Condensates, Chemical and Biological Activities, and Polymer Science and Technology.
EIAC has been partially implemented to the Battelle Columbus Labora- tories computerized information system. An environmental thesaurus has been developed for use in identifying subject information and data con- tained in the center.
Products of EIAC include bibliographies and data compilations, literature searches. COVID Resources. Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle.
The Journal of Documentation publishes submitted and commissioned papers based on research or practice relating to the recording, organisation, management, retrieval, dissemination and use of. Get this from a library. Information retrieval: SciFinder.
[D D Ridley] -- "Scifinder is rapidly becoming a preferred means to access scientific information in industry and universities worldwide. It accesses databases which span the chemical, engineering, life, medical. Dayton, M. Fletcher, C. Moulton, J. Pollock and A. Zamora, "Comparison of the Retrieval Effectiveness of CA Condensates and (CACon) and CA Subject Index Alert (CASIA)", Journal of Chemical Information and Computer Sciences, 17(1), ().
Zamora and D. Dayton, "The Chemical Abstracts Service Chemical Registry System. Converting CA Condensates. Cuadra: So, the fun part of this, I think, is how we survived the first acid test. In latewhen we got the OK, a journeyman programmer was assigned to write a program to convert the data.
We chose, as our first major commercial database, Chemical Abstracts Condensates. Four of the principal groupings of American bibliographic data. bases concerned with biology and medicine (broadly construed) have. been selected for the purposes of this review. These are: (1)the data. bases made available by the Chemical Abstracts : Scott Adams.
(chemistry) biblio-Abstracts Ser-graphic vice (CAS) Citations to literature in chemistry Journal articles, monographs, conference pro-ceedings, technical reports, and patents Merger of Chemical Abstracts Condensates (bibliographic information from the print-ed “Chemical Abstracts)” and “CASIA (Chemical Abstracts Subjects Index Alert)”.
This paper presents a detailed analysis of the content and format of seven machine-readable bibliographic data bases: Chemical Abstracts Service Condensates, Chemical and Biological Activities, and Polymer Science and Technology, Biosciences Information Service's BA Previews including Biological Abstracts and BioResearch Index.
texts All Books All Texts latest This Just In Smithsonian Libraries FEDLINK (US) Genealogy Lincoln Collection. Books to Borrow. Top Full text of "DTIC ADA Advancements in Retrieval Technology as Related to Information Systems." See other formats. Our databases provide high quality chemical information for chemistry academics, professionals and students.
Our literature updating services alert you to the most important developments in recent chemical research from the best journals in the field.
A comprehensive database of the marine natural. Submissions are based on original work not previously published. Research Articles. Reports of original research with chemical connections. Emerging multidisciplinary fields are especially encouraged; however, research submitted to the journal should be.
EPA-RI August Information Retrieval Capabilities- National Environmental Research Center, Cincinnati, Library M. Friedman National Environmental Research Center Cincinnati, Ohio Project Element 1D NATIONAL ENVIRONMENTAL RESEARCH CENTER OFFICE OF RESEARCH AND MONITORING U.S.
ENVIRONMENTAL. Chemical Heritage Foundation Oral History Program Chestnut Street Philadelphia, Pennsylvania The Chemical Heritage Foundation (CHF) serves the community of the chemical and molecular sciences, and the wider public, by treasuring the past, educating the present, and inspiring the future.
DOCUMENT RESUME. IR Marron, Beatrice; And Others Chemical Abstracts Condensates. Chemical-Biological Activities. Chemical Market Abstracts Tape. Page. Comprehensive Data Base of Patents. Computer Based Nuclear Magnetic Resonance. Literature. Computerized Information Retrieval System.
the first experiments in on-line access to its bibliographic data base (2). Insubject-based retrieval, since it provides rich associative pathways among scien tists and scientific research develop- contains Chemical Abstracts Service (CAS) registry numbers, molecular for Cited by: Chemical Abstracts: Vol.
#3 & #4 Hardcover – by American Chemical Society (Author)Author: American Chemical Society. bases from Chemical Abstracting Service ("CT," and uCA Condensates) at the University of California at Riverside (UCR) is reported. Cost studies are based entirely upon the University's ability to purchase the tapes and the Computing Center's interest in underwriting part of the project.
Sophisticated cost analysis and possible Income were not. CRYSTALLOGRAPHIC DATA RETRIEVAL AND DISPLAY: PROJECTION OF INFORMATION SYSTEM DEVELOPMENT. Richard J. Feldmann as a link to searching on TYMNET for references in the NLM TOXLINE and in the Lockheed data base implementation of Chemical Abstracts Condensates.
Synpunkter på de svenska abonnemangen på Chemical Abstracts Condensates. (Views on the Swedish subscriptions on Chemical Abstracts Condensates) Memo.
June3p. EUSIDIC - European Association of Scientific Information Deissemination Centers Memo. May2+8p. ISO/INFCO - ISONET - SIS/INFCO Memo. MAy2+5p. This page contains a representative list of notable databases and search engines useful in an academic setting for finding and accessing articles in academic journals, institutional repositories, archives, or other collections of scientific and other articles.
Databases and search engines differ substantially in terms of coverage and retrieval qualities. comparative study of coverage of physics journals by 2 computerized data bases - spin (searchable and physics information notes) and cac (chemical abstracts condensates) 1: 5 0: 1: information storage and retrieval 9 (8): heine mh evaluation - reply: 0: 0 0: 0: information storage and retrieval 9 (8): "SPRESIweb is a web-based retrieval application that provides direct access to the complete content of the SPRESI structure and reaction database.
Covering the years -this data collection contains million compounds, million reactions, and 32 million factual data extracted fromreferences includingpatents.from book due to meet the needs of information retrieval (IR) .
According to  automatic indexing was initiated by Luhn in late s. The novel approaches for searching subjects of documents based on compiling keywords using computers were proposed by Chemical Abstracts (CA) in .