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» Phase4: Automatic Evaluation of Database Search Methods
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EDBT
2006
ACM
120views Database» more  EDBT 2006»
16 years 4 months ago
Similarity Search on Time Series Based on Threshold Queries
Similarity search in time series data is required in many application fields. The most prominent work has focused on similarity search considering either complete time series or si...
Johannes Aßfalg, Hans-Peter Kriegel, Peer Kr...
ICDE
2006
IEEE
135views Database» more  ICDE 2006»
16 years 5 months ago
Reverse Nearest Neighbors Search in Ad-hoc Subspaces
Given an object q, modeled by a multidimensional point, a reverse nearest neighbors (RNN) query returns the set of objects in the database that have q as their nearest neighbor. I...
Man Lung Yiu, Nikos Mamoulis
ACL
2003
15 years 5 months ago
An Ontology-based Semantic Tagger for IE system
In this paper, we present a method for the semantic tagging of word chunks extracted from a written transcription of conversations. This work is part of an ongoing project for an ...
Narjès Boufaden
TKDE
2012
212views Formal Methods» more  TKDE 2012»
13 years 6 months ago
Segmentation and Sampling of Moving Object Trajectories Based on Representativeness
—Moving Object Databases (MOD), although ubiquitous, still call for methods that will be able to understand, search, analyze, and browse their spatiotemporal content. In this pap...
Costas Panagiotakis, Nikos Pelekis, Ioannis Kopana...
EDBT
2004
ACM
162views Database» more  EDBT 2004»
16 years 4 months ago
Non-contiguous Sequence Pattern Queries
Abstract. Non-contiguous subsequence pattern queries search for symbol instances in a long sequence that satisfy some soft temporal constraints. In this paper, we propose a methodo...
Nikos Mamoulis, Man Lung Yiu