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» GenerIE: Information extraction using database queries
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KDD
2004
ACM
139views Data Mining» more  KDD 2004»
16 years 7 months ago
Machine learning for online query relaxation
In this paper we provide a fast, data-driven solution to the failing query problem: given a query that returns an empty answer, how can one relax the query's constraints so t...
Ion Muslea
ICPR
2006
IEEE
16 years 18 days ago
Fast Feature Extraction Approach for Multi-Dimension Feature Space Problems
Recently, we proposed a fast feature extraction approach denoted FSOM utilizes Self Organizing Map (SOM). FSOM [1] overcomes the slowness of traditional SOM search algorithm. We i...
Alaa El. Sagheer, Naoyuki Tsuruta, Rin-ichiro Tani...
SIGMOD
2008
ACM
210views Database» more  SIGMOD 2008»
16 years 6 months ago
Private queries in location based services: anonymizers are not necessary
Mobile devices equipped with positioning capabilities (e.g., GPS) can ask location-dependent queries to Location Based Services (LBS). To protect privacy, the user location must n...
Gabriel Ghinita, Panos Kalnis, Ali Khoshgozaran, C...
ICDT
2012
ACM
242views Database» more  ICDT 2012»
13 years 9 months ago
Win-move is coordination-free (sometimes)
In a recent paper by Hellerstein [15], a tight relationship was conjectured between the number of strata of a Datalog¬ program and the number of “coordination stages” require...
Daniel Zinn, Todd J. Green, Bertram Ludäscher
DEXA
2003
Springer
146views Database» more  DEXA 2003»
15 years 11 months ago
An Access Time Cost Model for Spatial Range Queries on Broadcast Geographical Data over Air
Wireless data broadcasting is well known for its excellent scalability. Most geographical data, such as weather and traffic, is public information and has a large number of potenti...
Jianting Zhang, Le Gruenwald