306 search results - page 30 / 62 » Spark: top-k keyword query in relational databases |
OOPSLA
2005
Springer
14 years 26 days ago
2005
Springer
We describe CodeQuest, a system for querying source code. It combines two previous proposals, namely the use of logic programming and database system. Experiments (on projects ran...
PODS
2007
ACM
14 years 7 months ago
2007
ACM
We show that relational algebra calculations for incomplete databases, probabilistic databases, bag semantics and whyprovenance are particular cases of the same general algorithms...
SIGMOD
2011
ACM
12 years 10 months ago
2011
ACM
We study the problem of generating synthetic databases having declaratively specified characteristics. This problem is motivated by database system and application testing, data ...
BIS
2008
13 years 8 months ago
2008
Deep web search requires a transformation between search keywords and semantically described and well-formed data structures. We approached this problem in our "In the Web of ...
CHI
2002
ACM
14 years 7 months ago
2002
ACM
Navigational Blocks provide a tangible user interface for applications such as information kiosks. Orientation, movement, and relative position of electronically and microprocesso...