301 search results - page 53 / 61 » Efficient Sketches for the Set Query Problem |
85
Voted
PVLDB
2008
14 years 10 months ago
2008
Data integration systems often provide a uniform query interface, called a mediated schema, to a multitude of data sources. To answer user queries, such systems employ a set of se...
92
Voted
AMW
2010
15 years 11 days ago
2010
A Data Warehouse (DW) is a data repository that integrates data from multiple sources and organizes the data according to a set of data structures called dimensions. Each dimension...
168
click to vote
ICDE
2007
IEEE
16 years 8 days ago
2007
IEEE
Poor quality data is prevalent in databases due to a variety of reasons, including transcription errors, lack of standards for recording database fields, etc. To be able to query ...
94
Voted
STOC
2001
ACM
15 years 11 months ago
2001
ACM
We study two fundamental static data structure problems, membership and perfect hashing, in Yao's cell probe model. The first space and bit probe optimal worst case upper bou...
ESWA
2008
14 years 11 months ago
2008
Resources in virtual organizations are classified based on their local taxonomies. However, heterogeneity between these taxonomies is a serious problem for efficient cooperation p...