537 search results - page 52 / 108 » Privacy-Preserving Query Answering in Logic-based Informatio... |
DMSN
2005
ACM
13 years 10 months ago
2005
ACM
In this paper we present the Threshold Join Algorithm (TJA), which is an efficient TOP-k query processing algorithm for distributed sensor networks. The objective of a top-k query...
DAGSTUHL
2007
13 years 10 months ago
2007
Abstract. Moving objects produce trajectories, which are stored in databases by means of finite samples of time-stamped locations. When also speed limitations in these sample poin...
SIGMOD
2010
ACM
14 years 1 months ago
2010
ACM
We propose a novel privacy-preserving distributed infrastructure in which data resides only with the publishers owning it. The infrastructure disseminates user queries to publishe...
GIS
2010
ACM
13 years 7 months ago
2010
ACM
Many Web sites support keyword search on their spatial data, such as business listings and photos. In these systems, inconsistencies and errors can exist in both queries and the d...
AICOM
2004
13 years 8 months ago
2004
Abstract. We address the problem of answering queries using expressive symmetric inter-schema constraints which allow to establish mappings between several heterogeneous informatio...