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GIS
2010
ACM
15 years 4 months ago
Reverse k-Nearest Neighbor monitoring on mobile objects
In this paper we focus on the problem of continuously monitoring the set of Reverse k-Nearest Neighbors (RkNNs) of a query object in a moving object database using a client server...
Tobias Emrich, Hans-Peter Kriegel, Peer Kröge...
ICASSP
2011
IEEE
14 years 10 months ago
Extracting call-reason segments from contact center dialogs by using automatically acquired boundary expressions
To improve the performance of call-reason analysis at contact centers, we introduce a novel method to extract call-reason segments from dialogs. It is based on the following two c...
Takaaki Fukutomi, Satoshi Kobashikawa, Taichi Asam...
CIKM
2009
Springer
15 years 4 months ago
Measuring system performance and topic discernment using generalized adaptive-weight mean
Standard approaches to evaluating and comparing information retrieval systems compute simple averages of performance statistics across individual topics to measure the overall sys...
Chung Tong Lee, Vishwa Vinay, Eduarda Mendes Rodri...
CN
2010
136views more  CN 2010»
15 years 6 months ago
PCIR: Combining DHTs and peer clusters for efficient full-text P2P indexing
Distributed hash tables (DHTs) are very efficient for querying based on key lookups. However, building huge term indexes, as required for IR-style keyword search, poses a scalabil...
Odysseas Papapetrou, Wolf Siberski, Wolfgang Nejdl
ECCV
2004
Springer
15 years 10 months ago
Efficient Initialization for Constrained Active Surfaces, Applications in 3D Medical Images
A novel method allowing simplified and efficient active surface initialization for 3D images segmentation is presented. Our method allows to initialize an active surface through si...
Roberto Ardon, Laurent D. Cohen