Information Systems (TOIS)


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ACM Transactions on Information Systems (TOIS), Volume 8 Issue 2, Apr. 1990

A transient hypergraph-based model for data access
Carolyn Watters, Michael A. Shepherd
Pages: 77-102
DOI: 10.1145/96105.96107
Two major methods of accessing data in current database systems are querying and browsing. The more traditional query method returns an answer set that may consist of data values (DBMS), items containing the answer (full text), or items...

Design of the Mneme persistent object store
J. Eliot B. Moss
Pages: 103-139
DOI: 10.1145/96105.96109
The Mneme project is an investigation of techniques for integrating programming language and database features to provide better support for cooperative, information-intensive tasks such as computer-aided software engineering. The project...

New techniques for best-match retrieval
Dennis Shasha, Tsong-Li Wang
Pages: 140-158
DOI: 10.1145/96105.96111
A scheme to answer best-match queries from a file containing a collection of objects is described. A best-match query is to find the objects in the file that are closest (according to some (dis)similarity measure) to a given target....

Imprecise information and uncertainty in information systems
J. M. Morrissey
Pages: 159-180
DOI: 10.1145/96105.96113
Information systems exist to model, store, and retrieve all types of data. Problems arise when some of the data are missing or imprecisely known or when an attribute is not applicable to a particular object. A consistent and useful treatment of...