Sciweavers

4790 search results - page 499 / 958
» Reverse Query Processing
Sort
View
165
Voted
SIGMOD
2003
ACM
193views Database» more  SIGMOD 2003»
16 years 5 months ago
Chain : Operator Scheduling for Memory Minimization in Data Stream Systems
In many applications involving continuous data streams, data arrival is bursty and data rate fluctuates over time. Systems that seek to give rapid or real-time query responses in ...
Brian Babcock, Shivnath Babu, Mayur Datar, Rajeev ...
EDBT
2002
ACM
136views Database» more  EDBT 2002»
16 years 5 months ago
The Geometry of Uncertainty in Moving Objects Databases
Abstract. This work addresses the problem of querying moving objects databases. which capture the inherent uncertainty associated with the location of moving point objects. We addr...
Goce Trajcevski, Ouri Wolfson, Fengli Zhang, Sam C...
DCC
2007
IEEE
16 years 4 months ago
Nonuniform Compression in Databases with Haar Wavelet
Data synopsis is a lossy compressed representation of data stored into databases that helps the query optimizer to speed up the query process, e.g. time to retrieve the data from ...
S. Chen, A. Nucci
LOCA
2009
Springer
15 years 11 months ago
Location Diversity: Enhanced Privacy Protection in Location Based Services
Abstract. Location-based Services are emerging as popular applications in pervasive computing. Spatial k-anonymity is used in Locationbased Services to protect privacy, by hiding t...
Mingqiang Xue, Panos Kalnis, Hung Keng Pung
HPCS
2006
IEEE
15 years 11 months ago
Collaborative Agents for Data Dissemination in Wireless Sensor Networks
This paper presents collaborative agents system architecture approach for data dissemination in a wireless sensor network (WSN). This system architecture consists of four layers o...
Sajid Hussain, Elhadi Shakshuki, Abdul Wasey Matin...