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» Efficiently Processing Queries on Interval-and-Value Tuples ...
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SIGMOD
2007
ACM
229views Database» more  SIGMOD 2007»
15 years 9 months ago
Spark: top-k keyword query in relational databases
With the increasing amount of text data stored in relational databases, there is a demand for RDBMS to support keyword queries over text data. As a search result is often assemble...
Yi Luo, Xuemin Lin, Wei Wang 0011, Xiaofang Zhou
SIGMOD
2010
ACM
364views Database» more  SIGMOD 2010»
15 years 2 months ago
Optimizing schema-last tuple-store queries in graphd
Current relational databases require that a database schema exist prior to data entry and require manual optimization for best performance. We describe the query optimization tech...
Scott M. Meyer, Jutta Degener, John Giannandrea, B...
VLDB
1999
ACM
127views Database» more  VLDB 1999»
15 years 1 months ago
Evaluating Top-k Selection Queries
In many applications, users specify target values for certain attributes, without requiring exact matches to these values in return. Instead, the result to such queries is typical...
Surajit Chaudhuri, Luis Gravano
VLDB
1994
ACM
128views Database» more  VLDB 1994»
15 years 1 months ago
From Nested-Loop to Join Queries in OODB
Most declarative SQL-like query languagesfor object-oriented database systems (OOSQL) are orthogonal languages allowing for arbitrary nesting of expressions in the select-, from-,...
Hennie J. Steenhagen, Peter M. G. Apers, Henk M. B...
SIGMOD
2008
ACM
188views Database» more  SIGMOD 2008»
15 years 9 months ago
Just-in-time query retrieval over partially indexed data on structured P2P overlays
Structured peer-to-peer (P2P) overlays have been successfully employed in many applications to locate content. However, they have been less effective in handling massive amounts o...
Sai Wu, Jianzhong Li, Beng Chin Ooi, Kian-Lee Tan