Sciweavers

18 search results - page 3 / 4
» Query Integrity Assurance of Location-Based Services Accessi...
Sort
View
ICICS
2007
Springer
13 years 9 months ago
Time and Space Efficient Algorithms for Two-Party Authenticated Data Structures
Authentication is increasingly relevant to data management. Data is being outsourced to untrusted servers and clients want to securely update and query their data. For example, in ...
Charalampos Papamanthou, Roberto Tamassia
CCS
2008
ACM
13 years 6 months ago
Building castles out of mud: practical access pattern privacy and correctness on untrusted storage
We introduce a new practical mechanism for remote data storage with efficient access pattern privacy and correctness. A storage client can deploy this mechanism to issue encrypted...
Peter Williams, Radu Sion, Bogdan Carbunar
VLDB
2008
ACM
147views Database» more  VLDB 2008»
14 years 5 months ago
Tree-based partition querying: a methodology for computing medoids in large spatial datasets
Besides traditional domains (e.g., resource allocation, data mining applications), algorithms for medoid computation and related problems will play an important role in numerous e...
Kyriakos Mouratidis, Dimitris Papadias, Spiros Pap...
EDBT
2006
ACM
129views Database» more  EDBT 2006»
14 years 5 months ago
Querying Mediated Geographic Data Sources
With the proliferation of geographic data and resources over the Internet, there is an increasing demand for integration services that allow a transparent access to massive reposit...
Abdelkader Bétari, François-Marie Co...
GISCIENCE
2008
Springer
154views GIS» more  GISCIENCE 2008»
13 years 6 months ago
Ontology-Based Geospatial Data Query and Integration
Geospatial data sharing is an increasingly important subject as large amount of data is produced by variety of sources, stored in incompatible formats, and accessible through diffe...
Tian Zhao, Chuanrong Zhang, Mingzhen Wei, Zhong-Re...