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» XML Query Processing and Optimization
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SIGMOD
2009
ACM
189views Database» more  SIGMOD 2009»
14 years 8 months ago
Generic and effective semi-structured keyword search
Current semi-structured keyword search and natural language query processing systems use ad hoc approaches to take advantage of structural information. Although intuitive, they ar...
Arash Termehchy, Marianne Winslett
BNCOD
2009
97views Database» more  BNCOD 2009»
13 years 8 months ago
An XML-Based Model for Supporting Context-Aware Query and Cache Management
Abstract. Database systems (DBSs) can play an essential role in facilitating the query and cache management in context-aware mobile information systems (CAMIS). Two of the fundamen...
Essam Mansour, Hagen Höpfner
SEMWEB
2010
Springer
13 years 5 months ago
SPARQL Query Optimization on Top of DHTs
We study the problem of SPARQL query optimization on top of distributed hash tables. Existing works on SPARQL query processing in such environments have never been implemented in a...
Zoi Kaoudi, Kostis Kyzirakos, Manolis Koubarakis
DASFAA
2007
IEEE
165views Database» more  DASFAA 2007»
13 years 11 months ago
Making the Most of Cache Groups
Cache groups are a powerful concept for database caching, which is used to relieve the backend database load and to keep referenced data close to the application programs at the &q...
Andreas Bühmann, Theo Härder
VLDB
2006
ACM
115views Database» more  VLDB 2006»
14 years 8 months ago
Integrating document and data retrieval based on XML
For querying structured and semistructured data, data retrieval and document retrieval are two valuable and complementary techniques that have not yet been fully integrated. In thi...
Jan-Marco Bremer, Michael Gertz