197 search results - page 39 / 40 » Identifying relevant constraints for semantic query optimiza... |
SIGMOD
2007
ACM
14 years 6 months ago
2007
ACM
Querying XML effectively and efficiently using declarative languages such as XQuery and XPath has been widely studied in both academic and industrial settings. Most RDBMS vendors ...
EDBT
1990
ACM
13 years 10 months ago
1990
ACM
Deductive Databases are coming of age with the emergence of efficient and easy to use systems that support queries, reasoning, and application development on databases through dec...
CC
2011
Springer
12 years 9 months ago
2011
Springer
For decades, the design and implementation of arrays in programming languages has reflected a natural tension between productivity and performance. Recently introduced HPCS langua...
CLEF
2007
Springer
14 years 7 days ago
2007
Springer
This article describes the participation of the University and Hospitals of Geneva at three tasks of the 2007 ImageCLEF image retrieval benchmark. The visual retrieval techniques r...
KDD
2004
ACM
14 years 6 months ago
2004
ACM
Abstract. Most existing search engines employ static ranking algorithms that do not adapt to the specific needs of users. Recently, some researchers have studied the use of clickth...