306 search results - page 23 / 62 » Spark: top-k keyword query in relational databases |
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
Incomplete information arises naturally in numerous data management applications. Recently, several researchers have studied query processing in the context of incomplete informat...
PODS
2006
ACM
14 years 7 months ago
2006
ACM
We propose a novel approach to the classical view update problem. The view update problem arises from the fact that modifications to a database view may not correspond uniquely to...
SIGMOD
2001
ACM
14 years 7 months ago
2001
ACM
The bit-sliced index (BSI) was originally defined in [ONQ97]. The current paper introduces the concept of BSI arithmetic. For any two BSI's X and Y on a table T, we show how ...
SIGMOD
2008
ACM
14 years 7 months ago
2008
ACM
We present Stretch `n' Shrink, a query design framework that explicitly takes into account user preferences about the desired answer size, and subsequently modifies the query...
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
A lot of research has been conducted by the database community on methods and techniques for efficient XPath processing, with great success. Despite the progress made, significant...