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SIGMOD
2008
ACM
126views Database» more  SIGMOD 2008»
14 years 10 months ago
On efficient top-k query processing in highly distributed environments
Lately the advances in centralized database management systems show a trend towards supporting rank-aware query operators, like top-k, that enable users to retrieve only the most ...
Akrivi Vlachou, Christos Doulkeridis, Kjetil N&osl...
SIGMOD
2006
ACM
214views Database» more  SIGMOD 2006»
14 years 10 months ago
aAqua: a database-backended multilingual, multimedia community forum
aAQUA is an online multilingual, multimedia Agricultural portal for disseminating information from and to rural communities. It answers farmers' queries based on the location...
Krithi Ramamritham, Anil Bahuman, Subhasri Duttagu...
SAC
2005
ACM
14 years 3 months ago
Automatic wrapper maintenance for semi-structured web sources using results from previous queries
During the last years, significant attention has been paid to the problem of building wrappers for extracting data from semistructured web sources. Nevertheless, since web sources...
Juan Raposo, Alberto Pan, Manuel Álvarez, &...
SAC
2003
ACM
14 years 3 months ago
Similar_Join: Extending DBMS with a Bio-specific Operator
Existing sequence comparison software applications lack automation, abstraction, performance, and flexibility. Users need a new way of studying and applying sequence comparisons i...
Jake Yue Chen, John V. Carlis
SIGMOD
1999
ACM
94views Database» more  SIGMOD 1999»
14 years 2 months ago
Logical Logging to Extend Recovery to New Domains
Recovery can be extended to new domains at reduced logging cost by exploiting "logical" log operations. During recovery, a logical log operation may read data values fro...
David B. Lomet, Mark R. Tuttle