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VLDB
2004
ACM
124views Database» more  VLDB 2004»
15 years 9 months ago
Containment of Nested XML Queries
Query containment is the most fundamental relationship between a pair of database queries: a query Q is said to be contained in a query Q if the answer for Q is always a subset of...
Xin Dong, Alon Y. Halevy, Igor Tatarinov
DEXA
2008
Springer
181views Database» more  DEXA 2008»
15 years 5 months ago
Query Recommendation Using Large-Scale Web Access Logs and Web Page Archive
Query recommendation suggests related queries for search engine users when they are not satisfied with the results of an initial input query, thus assisting users in improving sear...
Lin Li, Shingo Otsuka, Masaru Kitsuregawa
DPD
1998
117views more  DPD 1998»
15 years 3 months ago
Solving Local Cost Estimation Problem for Global Query Optimization in Multidatabase Systems
To meet users’ growing needs for accessing pre-existing heterogeneous databases, a multidatabase system (MDBS) integrating multiple databases has attracted many researchers recen...
Qiang Zhu, Per-Åke Larson
ICDE
2008
IEEE
176views Database» more  ICDE 2008»
16 years 5 months ago
Automatic Result Verification for the Functional Testing of a Query Language
Functional testing of a query language is a challenging task in practice. In order to reveal errors in the query processing functionality, it is necessary to verify the actual res...
Carsten Binnig, Donald Kossmann, Eric Lo, Angel Sa...
MIDDLEWARE
2007
Springer
15 years 10 months ago
Combining ontology queries with key word search in the GloServ service discovery system
GloServ is a global service discovery system which aggregates different types of services in a globally distributed network. It improves on current service discovery systems by sc...
Knarig Arabshian, Henning Schulzrinne