505 search results - page 74 / 101 » Queries with Incomplete Answers over Semistructured Data |
169
Voted
ICDE
2003
IEEE
15 years 11 months ago
2003
IEEE
The problem of statistics and aggregate maintenance over data streams has gained popularity in recent years especially in telecommunications network monitoring, trend-related anal...
97
Voted
CIKM
2011
Springer
13 years 9 months ago
2011
Springer
We present Nyaya, a system for the management of Semantic-Web data which couples a general-purpose and extensible storage mechanism with efficient ontology reasoning and querying ...
66
Voted
ESA
2010
Springer
14 years 10 months ago
2010
Springer
The inability to answer proximity queries efficiently for spaces of dimension d > 2 has led to the study of approximation to proximity problems. Several techniques have been pro...
ISAAC
2004
Springer
15 years 3 months ago
2004
Springer
We initiate a new line of investigation into online property-preserving data reconstruction. Consider a dataset which is assumed to satisfy various (known) structural properties; e...
155
Voted
SIGMOD
2007
ACM
15 years 9 months ago
2007
ACM
Partial evaluation has recently proven an effective technique for evaluating Boolean XPath queries over a fragmented tree that is distributed over a number of sites. What left ope...