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DASFAA
2004
IEEE
110views Database» more  DASFAA 2004»
15 years 10 months ago
Optimising Mediator Queries to Distributed Engineering Systems
Data and computations of a CAD system have been wrapped by a mediator system using CORBA's IIOP Protocol. This allows ad hoc declarative mediator queries to be translated into...
Mattias Nyström, Tore Risch
WEBDB
2000
Springer
135views Database» more  WEBDB 2000»
15 years 10 months ago
Active Query Caching for Database Web Servers
A substantial portion of web traffic consists of queries to database web servers. Unfortunately, a common technique to improve web scalability, proxy caching, is ineffective for da...
Qiong Luo, Jeffrey F. Naughton, Rajasekar Krishnam...
ASWC
2008
Springer
15 years 9 months ago
Integrating Lightweight Reasoning into Class-Based Query Refinement for Object Search
More and more RDF data have been published online to be consumed. Ordinary Web users also expect to experience more intelligent services promised by the Semantic Web, such as objec...
Gong Cheng, Yuzhong Qu
TDM
2004
202views Database» more  TDM 2004»
15 years 8 months ago
Combining Indexing Schemes to Accelerate Querying XML on Content and Structure
This paper presents the advantages of combining multiple document representation schemes for query processing of XML queries on content and structure. We show how extending the Te...
Georgina Ramírez, Arjen P. de Vries
CORR
2008
Springer
127views Education» more  CORR 2008»
15 years 7 months ago
Comparing and Combining Methods for Automatic Query Expansion
Abstract. Query expansion is a well known method to improve the performance of information retrieval systems. In this work we have tested different approaches to extract the candid...
José R. Pérez-Agüera, Lourdes A...