Describes the methodology and results of a study comparing the overlap of Enviroline, Pollution, and the Environmental Periodicals Bibliography files through searches on acid rain, asbestos and water, diesel, glass recycling, Lake Erie, Concorde, reverse osmosis wastewater treatment cost, and Calspan. Nine tables are provided. (RBF)

This paper considers the processing of digital library queries, consisting of a text component and a structured component in distributed environments. The paper concentrates on the processing of the structured component of a distributed query. A method is proposed to identify the databases that are likely to be useful for processing any given…

Exploring the use and effectiveness of current awareness (CA) methods, especially selective dissemination of information (SDI) among chemists at Canadian universities, this study focuses on the perceived dispersal of information, use of various CA methods, time spent on CA, perceived success in CA, and CA efficiency. (FM)

This codebook clarifies the variables used in a study analyzing the verbal behaviors of search intermediaries and library users requesting online bibliographic searches. Gathering data on 80 presearch interviews in seven medical libraries, the study was conducted (1) to identify verbal and nonverbal behaviors that facilitate, maintain, or impede…

An obvious and natural approach to organizing a large corpus of data is a hierarchical index--akin to a book's table of contents. The type of corpus dealt with here is a bibliographical repository, with entries form a limited domain. Given such an index, it is desirable that search results point to relevant locations in the hierarchy, rather than…

Discussion of users and information retrieval systems highlights a study that investigated the representation of users' knowledge by examining their names for objects and concepts, agreement on names, the Library of Congress Subject Headings representation for similar objects and concepts, and measurement of the similarity between these…

This codebook describes the data file used in a study which gathered data on 80 presearch interviews in seven medical libraries. The study was conducted (1) to identify verbal and nonverbal behaviors that facilitate, maintain, or impede information exchange in interviews between search intermediaries and library users requesting online…

In 1981 and 1982, a group of 5 organizations conducted a coordinated study of public online catalog users and nonusers in 31 research, academic, community college, public, and governmental libraries with 17 different online catalogs. It was found that: (1) the most important user characteristic linked with success and satisfaction in using online…

Over the last decade, studies of online catalogs have revealed that they frequently discourage users. Subject queries often fail to produce retrievals or produce retrieval sets that are too large and unwieldy to be easily scanned. Research shows that users are seeking alternative approaches to those that manipulate the subject headings in catalog…

This paper reports on a research project that evaluates the impact of OhioLINK's resource sharing options upon traditional interlibrary loan services and organization. This impact is documented by a study of the interlibrary loan transactions processed by the Interlibrary Loan Department, Carlson Library, University of Toledo, before and after…