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SSD
2009
Springer
128views Database» more  SSD 2009»
8 years 10 months ago
TOQL: Temporal Ontology Querying Language
We introduce TOQL, a query language for querying time information in ontologies. TOQL is a high level query language that handles ontologies almost like relational databases. Queri...
Evdoxios Baratis, Euripides G. M. Petrakis, Sotiri...
SSD
2009
Springer
127views Database» more  SSD 2009»
8 years 10 months ago
Incremental Reverse Nearest Neighbor Ranking in Vector Spaces
In this paper, we formalize the novel concept of incremental reverse nearest neighbor ranking and suggest an original solution for this problem. We propose an efficient approach f...
Tobias Emrich, Hans-Peter Kriegel, Peer Kröge...
SSD
2009
Springer
141views Database» more  SSD 2009»
9 years 23 days ago
Spatial Cloaking Revisited: Distinguishing Information Leakage from Anonymity
Abstract. Location-based services (LBS) are receiving increasing popularity as they provide convenience to mobile users with on-demand information. The use of these services, howev...
Kar Way Tan, Yimin Lin, Kyriakos Mouratidis
SSD
2009
Springer
233views Database» more  SSD 2009»
9 years 23 days ago
Approximate Evaluation of Range Nearest Neighbor Queries with Quality Guarantee
The range nearest-neighbor (NN) query is an important query type in location-based services, as it can be applied to the case that an NN query has a spatial region, instead of a lo...
Chi-Yin Chow, Mohamed F. Mokbel, Joe Naps, Suman N...
SSD
2009
Springer
124views Database» more  SSD 2009»
9 years 23 days ago
ELKI in Time: ELKI 0.2 for the Performance Evaluation of Distance Measures for Time Series
ELKI is a unied software framework, designed as a tool suitable for evaluation of dierent algorithms on high dimensional realvalued feature-vectors. A special case of high dimens...
Elke Achtert, Thomas Bernecker, Hans-Peter Kriegel...
SSD
2009
Springer
167views Database» more  SSD 2009»
9 years 23 days ago
Continuous Spatial Authentication
Recent advances in wireless communications and positioning devices have generated a tremendous amount of interest in the continuous monitoring of spatial queries. However, such app...
Stavros Papadopoulos, Yin Yang, Spiridon Bakiras, ...
SSD
2009
Springer
170views Database» more  SSD 2009»
9 years 23 days ago
Discovering Teleconnected Flow Anomalies: A Relationship Analysis of Dynamic Neighborhoods (RAD) Approach
Given a collection of sensors monitoring a flow network, the problem of discovering teleconnected flow anomalies aims to identify strongly connected
James M. Kang, Shashi Shekhar, Michael Henjum, Pai...
SSD
2009
Springer
155views Database» more  SSD 2009»
9 years 23 days ago
Adaptive Management of Multigranular Spatio-Temporal Object Attributes
Elena Camossi, Elisa Bertino, Giovanna Guerrini, M...
SSD
2009
Springer
149views Database» more  SSD 2009»
9 years 23 days ago
Analyzing Trajectories Using Uncertainty and Background Information
A key issue in clustering data, regardless the algorithm used, is the definition of a distance function. In the case of trajectory data, different distance functions have been pro...
Bart Kuijpers, Bart Moelans, Walied Othman, Alejan...
SSD
2009
Springer
193views Database» more  SSD 2009»
9 years 23 days ago
Query Integrity Assurance of Location-Based Services Accessing Outsourced Spatial Databases
Outsourcing data to third party data providers is becoming a common practice for data owners to avoid the cost of managing and maintaining databases. Meanwhile, due to the populari...
Wei-Shinn Ku, Ling Hu, Cyrus Shahabi, Haixun Wang
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