1038 search results - page 94 / 208 » Space-Bounded Query Approximation |
265
Voted
ASUNAM
2011
IEEE
14 years 4 months ago
2011
IEEE
—Users querying massive social networks or RDF databases are often not 100% certain about what they are looking for due to the complexity of the query or heterogeneity of the dat...
268
click to vote
ICDE
2007
IEEE
16 years 5 months ago
2007
IEEE
Incompleteness due to missing attribute values (aka "null values") is very common in autonomous web databases, on which user accesses are usually supported through media...
156
Voted
SIGMOD
2004
ACM
16 years 4 months ago
2004
ACM
The prevalent use of XML highlights the need for a generic, flexible access-control mechanism for XML documents that supports efficient and secure query access, without revealing ...
145
Voted
WWW
2010
ACM
15 years 9 months ago
2010
ACM
Typical approaches for querying structured Web Data collect (crawl) and pre-process (index) large amounts of data in a central data repository before allowing for query answering....
158
Voted
DMSN
2007
ACM
15 years 8 months ago
2007
ACM
In this paper, we consider a large scale sensor network comprising multiple, say K, base stations and a large number of wireless sensors. Such an infrastructure is expected to be ...