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AGENTS
1997
Springer
15 years 10 months ago
Designing Behaviors for Information Agents
To facilitate the rapid development and open system interoperability of autonomous agents we need to carefully specify and effectively implement various classes of agent behaviors...
Keith Decker, Anandeep Pannu, Katia P. Sycara, Mik...
CSCW
1996
ACM
15 years 10 months ago
Hypermedia Structures and the Division of Labor in Meeting Room Collaboration
The type of collaboration for a group, whether working in parallel or collectively, is a style for a group influenced by many factors, among them the technology that the group wor...
Gloria Mark, Jörg M. Haake, Norbert A. Streit...
SIGMOD
1996
ACM
109views Database» more  SIGMOD 1996»
15 years 10 months ago
Improved Histograms for Selectivity Estimation of Range Predicates
Many commercial database systems maintain histograms to summarize the contents of relations and permit efficient estimation of query result sizes and access plan costs. Although s...
Viswanath Poosala, Yannis E. Ioannidis, Peter J. H...
VLDB
1997
ACM
117views Database» more  VLDB 1997»
15 years 10 months ago
Optimizing Queries Across Diverse Data Sources
Businesses today need to interrelate data stored in diverse systems with differing capabilities, ideally via a single high-level query interface. We present the design of a query ...
Laura M. Haas, Donald Kossmann, Edward L. Wimmers,...
ICTAI
1993
IEEE
15 years 10 months ago
MERIT Motifs
MERIT (Multimedia Extensions of Retrieval Interaction Tools)1 provides a user-centered interface to a database covering European research programs, projects, and consortia in the ...
Ulrich Thiel, Martin Kracker, Adelheit Stein