6740 search results - page 2 / 1348 » Querying Databases with Taxonomies |
SIGMOD
2012
ACM
11 years 7 months ago
2012
ACM
Query substitution is an important problem in information retrieval. Much work focuses on how to find substitutes for any given query. In this paper, we study how to efficiently ...
VLDB
2005
ACM
14 years 5 months ago
2005
ACM
Abstract. We propose a mediator model for providing integrated and unified access to multiple taxonomy-based sources. Each source comprises a taxonomy and a database that indexes o...
ECOI
2007
13 years 4 months ago
2007
Experts often disagree about the organization of biological taxa. The shifting definitions of taxonomic names complicate otherwise simple queries concerning these taxa. For examp...
DEXA
2003
Springer
13 years 10 months ago
2003
Springer
: We demonstrate an approach to transform keyword queries automatically into queries that combine keywords appropriately by boolean operations, such as and and or. Our approach is ...
ICDE
2007
IEEE
14 years 6 months ago
2007
IEEE
Relational database management systems are constantly being extended and augmented to accommodate data in different domains. Recently, with the increasing use of ontology in vario...