288 search results - page 43 / 58 » Continuous Query Processing in Spatio-Temporal Databases |
KDD
2004
ACM
14 years 9 months ago
2004
ACM
In this paper we provide a fast, data-driven solution to the failing query problem: given a query that returns an empty answer, how can one relax the query's constraints so t...
PCI
2005
Springer
14 years 2 months ago
2005
Springer
Abstract. The advances in wireless communications along with the exponential growth of transistors per integrated circuit lead to a rapid evolution of Wireless Sensor Devices (WSDs...
DMSN
2009
ACM
14 years 3 months ago
2009
ACM
Generating a good execution plan for a declarative query has long been a central problem in data management research. With the rise in interest in wireless sensor networks (WSNs) ...
SEMWEB
2004
Springer
14 years 2 months ago
2004
Springer
Abstract. Increasing the number of peers in a peer-to-peer network usually increases the number of answers to a given query as well. While having more answers is nice in principle,...
VLDB
2007
ACM
14 years 8 months ago
2007
ACM
This paper presents two extensions for XQuery. The first extension allows the definition and processing of different kinds of windows over an input sequence; i.e., tumbling, slidi...