Sciweavers

2169 search results - page 217 / 434
» Inferencing in Database Semantics
Sort
View
158
Voted
ADC
2007
Springer
164views Database» more  ADC 2007»
15 years 11 months ago
Computer Assisted Assessment of SQL Query Skills
Structured Query Language (SQL) is the dominant language for querying relational databases today, and is an essential topic in introductory database courses in higher education. E...
Stijn Dekeyser, Michael de Raadt, Tien Yu Lee
147
Voted
DASFAA
2009
IEEE
173views Database» more  DASFAA 2009»
15 years 8 months ago
A Uniform Framework for Ad-Hoc Indexes to Answer Reachability Queries on Large Graphs
Graph-structured databases and related problems such as reachability query processing have been increasingly relevant to many applications such as XML databases, biological databas...
Linhong Zhu, Byron Choi, Bingsheng He, Jeffrey Xu ...
ICIP
2003
IEEE
16 years 6 months ago
New image retrieval paradigm: logical composition of region categories
We present a novel framework for intelligent search and retrieval by image content composition. Very different from the existing Query-by-Example paradigm, logical queries are exp...
Julien Fauqueur, Nozha Boujemaa
ICDT
2007
ACM
117views Database» more  ICDT 2007»
15 years 11 months ago
Preferentially Annotated Regular Path Queries
In this paper, we introduce preferential regular path queries. These are regular path queries whose symbols are annotated with preference weights for “scaling” up or down the i...
Gösta Grahne, Alex Thomo, William W. Wadge
IDEAS
2005
IEEE
106views Database» more  IDEAS 2005»
15 years 10 months ago
Using the Lock Manager to Choose Timestamps
Our goal is to support transaction-time functionality that enables the coexistence of ordinary, non-temporal tables with transaction-time tables. In such a system, each transactio...
David B. Lomet, Richard T. Snodgrass, Christian S....