405 search results - page 42 / 81 » Semantic Assumptions and Query Evaluation in Temporal Databa... |
ERSHOV
2006
Springer
15 years 3 months ago
2006
Springer
In this work, we present a semantic query optimization technique to improve the efficiency of the evaluation of a subset of SQL:1999 recursive queries. Using datalog notation, we c...
SIGMOD
2009
ACM
15 years 4 months ago
2009
ACM
It has recently been asserted that the usability of a database is as important as its capability. Understanding the database schema, the hidden relationships among attributes in t...
EDBT
2008
ACM
15 years 12 months ago
2008
ACM
Abstract. Monitoring aggregates on IP traffic data streams is a compelling application for data stream management systems. Often, such streaming aggregation queries involve joining...
TASLP
2008
14 years 11 months ago
2008
Given a large audio database of music recordings, the goal of classical audio identification is to identify a particular audio recording by means of a short audio fragment. Even th...
SAC
2006
ACM
15 years 5 months ago
2006
ACM
Traditional semantic web query languages support a logicbased access to the semantic web. They offer a retrieval (or reasoning) of data based on facts. On the traditional web and...