This study developed an analytical approach to detecting groups with homogenous usage patterns in a Web-based information system. Principal component analysis was used for data reduction, cluster analysis for categorizing usage into groups. The methodology was demonstrated and tested using two independent samples of user sessions from the…

Presents a methodology for analyzing patterns of usage of a Web-based library catalog and evaluates the methodology with data collected from the transaction logs of the Web interface version of the University of California's Melvyl Systemwide Library Catalog. Results revealed major differences in usage (number of searches, search time, number of…

Conducted to determine optimal system designs for cooperative use of an OCLC installation by small libraries, this study developed a comprehensive planning model by formulating the OCLC system, identifying variables that might affect online cooperative cataloging ventures, and developing techniques to measure them. These activities were integrated…

The statistics that are presented are based on a one percent systematic sample of the OCLC online union catalog as of January 1980. Detailed data were collected on the use of fields, subfields, indicators in bibliographic records, and on the co-occurrence of fields within bibliographic records. The sample used for the study was obtained by…

The purpose of this research project was to develop techniques for analyzing user searches of the Syracuse University Libraries Information Retrieval Systems (SULIRS) to enable library staff to identify and test potentially high payoff modifications to the system and/or to user documentation. The first task was an exploratory analysis of recorded…

Describes the comparative approach to system evaluation used in a project which administered an online retrieval test to an experimental online catalog to produce data for evaluating effectiveness of a new subject access design. Discusses efforts used to ensure data reliability, and strategies the researchers can use to improve on the data…

This document outlines the methodology to be used for analyzing and reporting data collected through questionnaires at the various libraries of the University of California in April and May of 1982, as the second phase of an online public access catalog (OPAC) evaluation project. It is noted that the project was designed to enable systems…

Online geographic information system (GIS) services are expanding rapidly as private organizations, government agencies, and libraries are developing Web sites that deliver GIS data, graphics, and metadata. Such services are divided into five categories: graphic snapshots, spatial database catalogs and libraries, map generators, map browsers, and…