522 search results - page 72 / 105 » Answering Aggregation Queries in a Secure System Model |
VLDB
2012
ACM
12 years 3 months ago
2012
ACM
In the last decade, spatio-temporal database research focuses on the design of effective and efficient indexing structures in support of location-based queries such as predictive...
PODS
2009
ACM
14 years 8 months ago
2009
ACM
Let be a finite, ordered alphabet, and consider a string x = x1x2 . . . xn n . A secondary index for x answers alphabet range queries of the form: Given a range [al, ar] , retu...
ICISS
2005
Springer
14 years 1 months ago
2005
Springer
Abstract. Trust can be used to measure our confidence that a secure system behaves as expected. We had previously proposed a vector model of trust [1]. In this work we address the...
DEXA
2009
Springer
14 years 2 months ago
2009
Springer
Semantic Web technologies facilitate data integration over a large number of sources with decentralised and loose coordination, ideally leading to interlinked datasets which descri...
EDBT
2009
ACM
13 years 5 months ago
2009
ACM
In this work, we focus on managing scientific environmental data, which are measurement readings collected from wireless sensors. In environmental science applications, raw sensor...