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ACL
2009
15 years 4 months ago
A Metric-based Framework for Automatic Taxonomy Induction
This paper presents a novel metric-based framework for the task of automatic taxonomy induction. The framework incrementally clusters terms based on ontology metric, a score indic...
Hui Yang, Jamie Callan
DCOSS
2007
Springer
16 years 15 days ago
Separating the Wheat from the Chaff: Practical Anomaly Detection Schemes in Ecological Applications of Distributed Sensor Networ
Abstract. We develop a practical, distributed algorithm to detect events, identify measurement errors, and infer missing readings in ecological applications of wireless sensor netw...
Luís M. A. Bettencourt, Aric A. Hagberg, Le...
SSD
2005
Springer
105views Database» more  SSD 2005»
15 years 11 months ago
Evaluation of Top-k OLAP Queries Using Aggregate R-Trees
Abstract. A top-k OLAP query groups measures with respect to some abstraction level of interesting dimensions and selects the k groups with the highest aggregate value. An example ...
Nikos Mamoulis, Spiridon Bakiras, Panos Kalnis
DAWAK
2008
Springer
15 years 8 months ago
Towards the Automatic Construction of Conceptual Taxonomies
Abstract. In this paper we investigate the possibility of an automatic construction of conceptual taxonomies and evaluate the achievable results. The hierarchy is performed by Ward...
Dino Ienco, Rosa Meo
NLDB
2011
Springer
14 years 9 months ago
Querying Linked Data Using Semantic Relatedness: A Vocabulary Independent Approach
Abstract. Linked Data brings the promise of incorporating a new dimension to the Web where the availability of Web-scale data can determine a paradigmatic transformation of the Web...
André Freitas, João Gabriel Oliveira...