2145 search results - page 313 / 429 » Pattern-Based Query Answering |
FCT
2005
Springer
14 years 2 months ago
2005
Springer
A set of points shown on the map usually represents special sites like cities or towns in a country. If the map in the interactive geographical information system (GIS) is browsed ...
ICALP
2005
Springer
14 years 2 months ago
2005
Springer
We prove new lower bounds for locally decodable codes and private information retrieval. We show that a 2-query LDC encoding nbit strings over an ℓ-bit alphabet, where the decode...
VLDB
2005
ACM
14 years 2 months ago
2005
ACM
This demo presents Hyperion, a prototype system that supports data sharing for a network of independent Peer Relational Database Management Systems (PDBMSs). The nodes of such a n...
ISAAC
2004
Springer
14 years 2 months ago
2004
Springer
We propose a space-efficient scheme for summarizing multidimensional data streams. Our sketch can be used to solve spatial versions of several classical data stream queries effici...
SSDBM
2003
IEEE
14 years 2 months ago
2003
IEEE
In many application contexts, like statistical databases, scientific databases, query optimizers, OLAP, and so on, data are often summarized into synopses of aggregate values. Su...