Considers a definition of online searching and discusses each of these factors--training, search aids, physical setting, search request form, interview and profile construction, terminal session, search evaluation, document delivery, professional reading, and online user groups. Eighteen sources are cited. (EJS)

An information retrieval system which aspires to retrieval of relevant documents should have second stage which will order topical set to provide maximum informativeness to requestor. A two-stage system concerned only with topicality can be iterated to generate a high recall set and discard imprecise documents without user input. (EJS)

Describes Electronic Legislative Search System (ELSS), a comprehensive service which tracks current state and federal legislation and provides careful monitoring of status of bills in its database. Contents of the database, search criteria and priority, format options, learning to search, and updating the system are noted. Sample searches are…

Reviews the advantages and disadvantages of different types of term combination using the positional logic capability of online information retrieval systems and describes a study in which searches for material on "microwave integrated circuits" were conducted in order to find the most economical way of generating the most relevant…

Introduces HARFAX Industry Data Sources, a bibliographic database which provides access to international sources of statistics on 60 key industries. Criteria for inclusion of material in the database, indexing policy, and uses of the database are discussed. Sample searches are illustrated and exhibits containing facts on the file are attached.…

Identifies the advantages and limitations of online search services offered by libraries, cautioning the searcher and user to consider and evaluate all options before performing online search. The librarian's responsibility to solve the user's information problem in a desirable way is discussed. Five references are listed. (EJS)

Comments based on actual reference use of Research Libraries Information Network (RLIN II)--formerly BALLOTS--in a library environment focus on RLIN files, interlibrary loan, search keys, and subject searches. This article updates a description of BALLOTS as it was developed by Stanford University to support cataloging and acquisitions (Online,…

Describes innovative pricing structure consisting of low connect time fee, print fees, and search fees, offered by Chemical Abstracts Service (CAS) ONLINE--an online searching system used to locate chemical substances. Pricing options considered by CAS, the search-based pricing approach, and users' reactions to pricing structures are noted. (EJS)

Assesses the adequacy of Robert S. Taylor's model of question formulation in the context of online presearch interviews, and presents an altered model which introduces the bearers of needs and makes distinctions about those needs as isolated or negotiated events in the interviews. Thirty-three references are listed. (FM)

Examined the conditions under which infants employ (1) spatial codes respondent to objects central to their visual field and (2) spatial codes respondent to objects peripheral to their visual field. (DB)

Describes the online version of Comprehensive Dissertation Index as it is searchable through the DIALOG system. File content, searchable indexes, and particular features of the file such as online sorting of retrieved citations and text backup are discussed. Accompanying the text are 13 figures illustrating system features and two sample searches.…

Describes a contract between the reference service of a library system in Illinois and a commercial supplier of information in Berkeley, California, to provide the answers to 200 reference questions for a flat rate of $6000. The contract, considered the first of its kind, successfully relieved a current reference overload. (RAA)

This second of two related articles by the same authors evaluates the performance of an experimental translating computer system, CONIT, whose purpose was to investigate techniques for simplifying access to, and operation of, bibliographic retrieval systems. Forty-two references are cited. (FM)

Describes the requirements, data elements, functions and systems design for an online search log which maintains records of search services provided. (CWM)

Discusses the problem of how to permit a patron to represent the relative importance of various index terms in a Boolean request while retaining the desirable properties of a Boolean system. (FM)