254 search results - page 6 / 51 » On the Limitations of Provenance for Queries With Difference |
VLDB
1997
ACM
14 years 27 days ago
1997
ACM
Information integration systems have to cope with the different and limited query interfaces of the underlying information sources. First, the integration systems need description...
ICDE
2007
IEEE
14 years 10 months ago
2007
IEEE
Skyline query processing has been investigated extensively in recent years, mostly for only one query reference point. An example of a single-source skyline query is to find hotel...
APPROX
2008
Springer
13 years 10 months ago
2008
Springer
We consider (uniform) reductions from computing a function f to the task of distinguishing the output of some pseudorandom generator G from uniform. Impagliazzo and Wigderson [IW]...
KDD
2009
ACM
14 years 3 months ago
2009
ACM
Data cubes as employed by On-Line Analytical Processing (OLAP) play a key role in many application domains. The analysis typically involves to compare categories of different hie...
CJ
2010
13 years 8 months ago
2010
Abstract. Motivated by research on how topology may be a helpful foundation for building information modeling (BIM), a relational database version of the notions of chain complex a...