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SIGMOD
2008
ACM
188views Database» more  SIGMOD 2008»
14 years 11 months ago
HERMES: aggregative LBS via a trajectory DB engine
We present HERMES, a prototype system based on a powerful query language for trajectory databases, which enables the support of aggregative Location-Based Services (LBS). The key ...
Nikos Pelekis, Elias Frentzos, Nikos Giatrakos, Ya...
SIGMOD
2008
ACM
129views Database» more  SIGMOD 2008»
14 years 11 months ago
Privacy-MaxEnt: integrating background knowledge in privacy quantification
Wenliang Du, Zhouxuan Teng, Zutao Zhu
SIGMOD
2008
ACM
188views Database» more  SIGMOD 2008»
14 years 11 months ago
Just-in-time query retrieval over partially indexed data on structured P2P overlays
Structured peer-to-peer (P2P) overlays have been successfully employed in many applications to locate content. However, they have been less effective in handling massive amounts o...
Sai Wu, Jianzhong Li, Beng Chin Ooi, Kian-Lee Tan
SIGMOD
2008
ACM
144views Database» more  SIGMOD 2008»
14 years 11 months ago
Preservation of proximity privacy in publishing numerical sensitive data
We identify proximity breach as a privacy threat specific to numerical sensitive attributes in anonymized data publication. Such breach occurs when an adversary concludes with hig...
Jiexing Li, Yufei Tao, Xiaokui Xiao
SIGMOD
2008
ACM
159views Database» more  SIGMOD 2008»
14 years 11 months ago
Bootstrapping pay-as-you-go data integration systems
Data integration systems offer a uniform interface to a set of data sources. Despite recent progress, setting up and maintaining a data integration application still requires sign...
Anish Das Sarma, Xin Dong, Alon Y. Halevy
SIGMOD
2008
ACM
109views Database» more  SIGMOD 2008»
14 years 11 months ago
Cooperative XPath caching
Motivated by the fact that XML is increasingly being used in distributed applications, we propose building a cooperative caching scheme for XML documents. Our scheme allows sharin...
Kostas Lillis, Evaggelia Pitoura
SIGMOD
2008
ACM
125views Database» more  SIGMOD 2008»
14 years 11 months ago
Categorical skylines for streaming data
The problem of skyline computation has attracted considerable research attention. In the categorical domain the problem becomes more complicated, primarily due to the partially-or...
Nikos Sarkas, Gautam Das, Nick Koudas, Anthony K. ...
SIGMOD
2008
ACM
182views Database» more  SIGMOD 2008»
14 years 11 months ago
Angle-based space partitioning for efficient parallel skyline computation
Recently, skyline queries have attracted much attention in the database research community. Space partitioning techniques, such as recursive division of the data space, have been ...
Akrivi Vlachou, Christos Doulkeridis, Yannis Kotid...
SIGMOD
2008
ACM
98views Database» more  SIGMOD 2008»
14 years 11 months ago
Damia: data mashups for intranet applications
Increasingly large numbers of situational applications are being created by enterprise business users as a by-product of solving day-to-day problems. In efforts to address the dem...
David E. Simmen, Mehmet Altinel, Volker Markl, Sri...
SIGMOD
2008
ACM
150views Database» more  SIGMOD 2008»
14 years 11 months ago
Query biased snippet generation in XML search
Snippets are used by almost every text search engine to complement ranking scheme in order to effectively handle user searches, which are inherently ambiguous and whose relevance ...
Yu Huang, Ziyang Liu, Yi Chen