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VLDB
2007
ACM
166views Database» more  VLDB 2007»
16 years 5 months ago
Supporting Time-Constrained SQL Queries in Oracle
The growing nature of databases, and the flexibility inherent in the SQL query language that allows arbitrarily complex formulations, can result in queries that take inordinate am...
Ying Hu, Seema Sundara, Jagannathan Srinivasan
VLDB
2007
ACM
118views Database» more  VLDB 2007»
16 years 5 months ago
Inferring XML Schema Definitions from XML Data
Although the presence of a schema enables many optimizations for operations on XML documents, recent studies have shown that many XML documents in practice either do not refer to ...
Geert Jan Bex, Frank Neven, Stijn Vansummeren
SIGMOD
2009
ACM
157views Database» more  SIGMOD 2009»
16 years 5 months ago
Asynchronous view maintenance for VLSD databases
The query models of the recent generation of very large scale distributed (VLSD) shared-nothing data storage systems, including our own PNUTS and others (e.g. BigTable, Dynamo, Ca...
Parag Agrawal, Adam Silberstein, Brian F. Cooper, ...
SIGMOD
2009
ACM
220views Database» more  SIGMOD 2009»
16 years 5 months ago
Keyword search in databases: the power of RDBMS
Keyword search in relational databases (RDBs) has been extensively studied recently. A keyword search (or a keyword query) in RDBs is specified by a set of keywords to explore the...
Lu Qin, Jeffrey Xu Yu, Lijun Chang
SIGMOD
2008
ACM
169views Database» more  SIGMOD 2008»
16 years 5 months ago
MCDB: a monte carlo approach to managing uncertain data
To deal with data uncertainty, existing probabilistic database systems augment tuples with attribute-level or tuple-level probability values, which are loaded into the database al...
Ravi Jampani, Fei Xu, Mingxi Wu, Luis Leopoldo Per...