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SIGIR
2009
ACM
16 years 16 days ago
Topic (query) selection for IR evaluation
The need for evaluating large amounts of topics (queries) makes IR evaluation an uneasy task. In this paper, we study a topic selection problem for IR evaluation. The selection cr...
Jianhan Zhu, Jun Wang, Vishwa Vinay, Ingemar J. Co...
DAWAK
1999
Springer
15 years 10 months ago
Dynamic Data Warehouse Design
A data warehouse DW can be seen as a set of materialized views de ned over remote base relations. When a query is posed, it is evaluated locally, using the materialized views, wi...
Dimitri Theodoratos, Timos K. Sellis
LREC
2010
161views Education» more  LREC 2010»
15 years 7 months ago
Providing Multilingual, Multimodal Answers to Lexical Database Queries
Language users are increasingly turning to electronic resources to address their lexical information needs, due to their convenience and their ability to simultaneously capture di...
Gerard de Melo, Gerhard Weikum
SWAP
2007
15 years 7 months ago
Improving Responsiveness of Ontology-Based Query Formulation
Abstract. Recent research showed the benefits of adopting formal ontologies as a means for accessing heterogeneous data sources. The use of an ontology not only provides a uniform...
Ivan Zorzi, Sergio Tessaris, Paolo Dongilli
ICDE
2000
IEEE
161views Database» more  ICDE 2000»
15 years 9 months ago
Efficient Query Refinement in Multimedia Databases
Increasing application demands are pushing database management systems (DBMSs) towards providing adequate and efficient support for content-based retrieval over multimedia objects...
Kaushik Chakrabarti, Kriengkrai Porkaew, Sharad Me...