2228 search results - page 98 / 446 » A System for Semantic Query Optimization |
SIGMOD
1999
ACM
14 years 1 months ago
1999
ACM
In this paper we present a mechanism for translating constraint queries, i.e., Boolean expressions of constraints, across heterogeneous information sources. Integrating such syste...
WWW
2006
ACM
14 years 10 months ago
2006
ACM
Abstract. This paper presents Oyster, a Peer-to-Peer system for exchanging ontology metadata among communities in the Semantic Web. We describe how Oyster assists researchers in re...
ECAI
2004
Springer
14 years 2 months ago
2004
Springer
In this paper we describe the principles of the design and development of an intelligent query interface, done in the context of the SEWASIE (SEmantic Webs and AgentS in Integrated...
SIGMOD
2009
ACM
14 years 9 months ago
2009
ACM
The ParAccel Analytic DatabaseTM is a fast shared-nothing parallel relational database system with a columnar orientation, adaptive compression, memory-centric design, and an enha...
ADBIS
2005
Springer
14 years 2 months ago
2005
Springer
We present a formal analysis of the following view-selection problem: Given a set of queries and a database, return definitions of views that, when materialized in the database, w...