555 search results - page 3 / 111 » Aggregate Evaluability in Statistical Databases |
SASN
2004
ACM
13 years 11 months ago
2004
ACM
This paper studies security for data aggregation in sensor networks. Current aggregation schemes were designed without security in mind and there are easy attacks against them. We...
ICDCS
2006
IEEE
2006
IEEE
Scalable and Robust Aggregation Techniques for Extracting Statistical Information in Sensor Networks
13 years 11 months ago
Wireless sensor networks have stringent constraints on system resources and data aggregation techniques are critically important. However, accurate data aggregation is difficult ...
PODS
2010
ACM
13 years 11 months ago
2010
ACM
This paper approaches the incremental view maintenance problem from an algebraic perspective. We construct a ring of databases and use it as the foundation of the design of a quer...
SSD
2005
Springer
13 years 11 months ago
2005
Springer
Abstract. A top-k OLAP query groups measures with respect to some abstraction level of interesting dimensions and selects the k groups with the highest aggregate value. An example ...
ICDE
2008
IEEE
14 years 7 months ago
2008
IEEE
In this paper we discuss a robust aggregation framework that can detect spurious measurements and refrain from incorporating them in the computed aggregate values. Our framework ca...