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DAGSTUHL
2007
14 years 11 months ago
An analytic solution to the alibi query in the bead model for moving object data
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...
Bart Kuijpers, Walied Othman
OWLED
2007
14 years 11 months ago
SPARQL-DL: SPARQL Query for OWL-DL
There are many query languages (QLs) that can be used to query RDF and OWL ontologies but neither type is satisfactory for querying OWL-DL ontologies. RDF-based QLs (RDQL, SeRQL, S...
Evren Sirin, Bijan Parsia
VLDB
2006
ACM
490views Database» more  VLDB 2006»
16 years 10 months ago
The New Casper: Query Processing for Location Services without Compromising Privacy
This paper tackles a major privacy concern in current location-based services where users have to continuously report their locations to the database server in order to obtain the ...
Mohamed F. Mokbel, Chi-Yin Chow, Walid G. Aref
INFOCOM
2012
IEEE
13 years 23 days ago
Secure top-k query processing via untrusted location-based service providers
Abstract—This paper considers a novel distributed system for collaborative location-based information generation and sharing which become increasingly popular due to the explosiv...
Rui Zhang 0007, Yanchao Zhang, Chi Zhang
ECIS
2000
14 years 11 months ago
A Theory of Industry-Level Activity for Understanding the Adoption of Interorganizational Systems
Increasingly we wish to ask and research questions about the adoption of interorganizational systems and electronic commerce at the industry level but are hampered by the lack of a...
Robert B. Johnston, Shirley Gregor