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WAIM
2010
Springer
13 years 5 months ago
Efficient Continuous Top-k Keyword Search in Relational Databases
Keyword search in relational databases has been widely studied in recent years. Most of the previous studies focus on how to answer an instant keyword query. In this paper, we focu...
Yanwei Xu, Yoshiharu Ishikawa, Jihong Guan
ICDE
1999
IEEE
98views Database» more  ICDE 1999»
14 years 9 months ago
Similarity Searching in Text Databases with Multiple Field Types
Similarity searching in text databases with multiple field types is still an open problem. We experimented with CORDIS and we evaluated the effectiveness of many text retrieval me...
Kostas Tzeras, Euripides G. M. Petrakis
BMCBI
2008
200views more  BMCBI 2008»
13 years 7 months ago
Defining functional distances over Gene Ontology
Background: A fundamental problem when trying to define the functional relationships between proteins is the difficulty in quantifying functional similarities, even when well-stru...
Angela del Pozo, Florencio Pazos, Alfonso Valencia
BMCBI
2005
119views more  BMCBI 2005»
13 years 7 months ago
The distance-profile representation and its application to detection of distantly related protein families
Background: Detecting homology between remotely related protein families is an important problem in computational biology since the biological properties of uncharacterized protei...
Chin-Jen Ku, Golan Yona
VLDB
2002
ACM
161views Database» more  VLDB 2002»
13 years 7 months ago
Distributed Search over the Hidden Web: Hierarchical Database Sampling and Selection
Many valuable text databases on the web have non-crawlable contents that are "hidden" behind search interfaces. Metasearchers are helpful tools for searching over many s...
Panagiotis G. Ipeirotis, Luis Gravano