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Results for “ABSTRACTING AND INDEXING”

Search indexed PubMed citations on genomics, clinical trials, systematic reviews and public health. Explore titles, authors and supplied subject terms, then open the PubMed record.

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PubMed1964

DATA PROCESSING ASPECTS OF MEDLARS.

The speed and volume requirements of MEDLARS necessitate the use of high-speed data processing equipment, including paper-tape typewriters, a digital computer, and a special device for producing photo-composed output. Input to the system is of three types: variable source data, including citations from the literature and search requests; changes to such master files as the medical subject headings list and the journal record file; and operating instructions such as computer programs and procedures for machine operators. MEDLARS builds two major stores of data on magnetic tape. The Processed Citation File includes bibliographic citations in expanded form for high-quality printing at periodic intervals. The Compressed Citation File is a coded, time-sequential citation store which is used for high-speed searching against demand request input. Major design considerations include converting variable-length, alphanumeric data to mechanical form quickly and accurately; serial searching by the computer within a reasonable period of time; high-speed printing that must be of graphic quality; and efficient maintenance of various complex computer files.

Abstracting and Indexing↗
PubMed2005

Semi-automatic indexing of full text biomedical articles.

The main application of U.S. National Library of Medicine's Medical Text Indexer (MTI) is to provide indexing recommendations to the Library's indexing staff. The current input to MTI consists of the titles and abstracts of articles to be indexed. This study reports on an extension of MTI to the full text of articles appearing in online medical journals that are indexed for Medline. Using a collection of 17 journal issues containing 500 articles, we report on the effectiveness of the contribution of terms by the whole article and also by each section. We obtain the best results using a model consisting of the sections Results, Results and Discussion, and Conclusions together with the article's title and abstract, the captions of tables and figures, and sections that have no titles. The resulting model provides indexing significantly better (7.4%) than what is currently achieved using only titles and abstracts.

Abstracting and Indexing↗
PubMed2002

[Exotic invertebrates--a health problem?].

BACKGROUND: Tropical insects and arachnids are becoming popular pets in Norway. Most animals kept are harmless, but some species might cause the need for assistance from the health service. This paper presents tropical arthropods common in captivity and some challenges they might pose to health services. MATERIALS AND METHOD: This article is mainly based on articles collected with the help of Biological Abstracts, Science Citation Index and PubMed. Also, some of the findings are based on the author's experience gained through keeping tropical arthropods for 15 years and participating in international networks. RESULTS AND INTERPRETATION: There is no evidence in the literature that the bite of tarantulas is dangerous. However, the large amounts of urticating hairs in many species can cause skin irritations and serious eye inflammations that can be difficult to treat. The scorpion species imported into the Norwegian pet trade today have no medical significance, but the increasing private import of potential dangerous species via the Internet might change this situation. Walking sticks and mantis are harmless insects that have no medical significance. Most giant millipedes are also harmless, but some species have defence fluids that can cause pathological reactions if exposed to skin, mouth/throat or eyes.

Animals↗