Sciweavers

272 search results - page 32 / 55
» context 1999
Sort
View
SIGMOD
1999
ACM
125views Database» more  SIGMOD 1999»
14 years 2 months ago
Selectivity Estimation in Spatial Databases
Selectivity estimation of queries is an important and wellstudied problem in relational database systems. In this paper, we examine selectivity estimation in the context of Geogra...
Swarup Acharya, Viswanath Poosala, Sridhar Ramaswa...
SIGMOD
1999
ACM
132views Database» more  SIGMOD 1999»
14 years 2 months ago
Mind Your Vocabulary: Query Mapping Across Heterogeneous Information Sources
In this paper we present a mechanism for translating constraint queries, i.e., Boolean expressions of constraints, across heterogeneous information sources. Integrating such syste...
Kevin Chen-Chuan Chang, Hector Garcia-Molina
SIGMOD
1999
ACM
107views Database» more  SIGMOD 1999»
14 years 2 months ago
Client-Site Query Extensions
We explore the execution of queries with client-site userdefined functions (UDFs). Many UDFs can only be executed at the client site, for reasons of scalability, security, confide...
Tobias Mayr, Praveen Seshadri
HOTOS
1999
IEEE
14 years 2 months ago
Conductor: A Framework for Distributed Adaptation
Abstract--End-to-end connectivity is growing increasingly diverse, with orders of magnitude differences in characteristics throughout the network. At the same time, most applicatio...
Mark Yarvis, Peter L. Reiher, Gerald J. Popek
UIST
1999
ACM
14 years 2 months ago
The Information Percolator: Ambient Information Display in a Decorative Object
Most current interface designs require that the user focus their attention on them in order to be of value. However, as the price of computation falls, and computational capabilit...
Jeremy M. Heiner, Scott E. Hudson, Kenichiro Tanak...