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MDM
2010
Springer
188views Communications» more  MDM 2010»
13 years 7 months ago
A Distributed Technique for Dynamic Operator Placement in Wireless Sensor Networks
—We present an optimal distributed algorithm to adapt the placement of a single operator in high communication cost networks, such as a wireless sensor network. Our parameterfree...
Georgios Chatzimilioudis, Nikos Mamoulis, Dimitrio...
SIGMOD
2006
ACM
232views Database» more  SIGMOD 2006»
14 years 9 months ago
To search or to crawl?: towards a query optimizer for text-centric tasks
Text is ubiquitous and, not surprisingly, many important applications rely on textual data for a variety of tasks. As a notable example, information extraction applications derive...
Panagiotis G. Ipeirotis, Eugene Agichtein, Pranay ...
DOLAP
2004
ACM
14 years 2 months ago
Cardinality-based inference control in OLAP systems: an information theoretic approach
We address the inference control problem in data cubes with some data known to users through external knowledge. The goal of inference controls is to prevent exact values of sensi...
Nan Zhang 0004, Wei Zhao, Jianer Chen
WSDM
2009
ACM
138views Data Mining» more  WSDM 2009»
14 years 3 months ago
Adaptive subjective triggers for opinionated document retrieval
This paper proposes a novel application of a statistical language model to opinionated document retrieval targeting weblogs (blogs). In particular, we explore the use of the trigg...
Kazuhiro Seki, Kuniaki Uehara
VLDB
2005
ACM
136views Database» more  VLDB 2005»
14 years 2 months ago
iMeMex: Escapes from the Personal Information Jungle
Modern computer work stations provide thousands of applications that store data in >100.000 files on the file system of the underlying OS. To handle these files data process...
Jens-Peter Dittrich, Marcos Antonio Vaz Salles, Do...