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ICDE
2000
IEEE
168views Database» more  ICDE 2000»
15 years 11 months ago
PAC Nearest Neighbor Queries: Approximate and Controlled Search in High-Dimensional and Metric Spaces
In high-dimensional and complex metric spaces, determining the nearest neighbor (NN) of a query object ? can be a very expensive task, because of the poor partitioning operated by...
Paolo Ciaccia, Marco Patella
NLDB
2007
Springer
15 years 3 months ago
Combining Vector Space Model and Multi Word Term Extraction for Semantic Query Expansion
Abstract. In this paper, we target document ranking in a highly technical field with the aim to approximate a ranking that is obtained through an existing ontology (knowledge stru...
Eric SanJuan, Fidelia Ibekwe-Sanjuan, Juan Manuel ...
MM
2003
ACM
165views Multimedia» more  MM 2003»
15 years 3 months ago
Video retrieval using spatio-temporal descriptors
This paper describes a novel methodology for implementing video search functions such as retrieval of near-duplicate videos and recognition of actions in surveillance video. Video...
Daniel DeMenthon, David S. Doermann
ER
2008
Springer
123views Database» more  ER 2008»
14 years 11 months ago
Modeling and Querying E-Commerce Data in Hybrid Relational-XML DBMSs
Abstract. Data in many industrial application systems are often neither completely structured nor unstructured. Consequently semi-structured data models such as XML have become pop...
Lipyeow Lim, Haixun Wang, Min Wang
EDBTW
2004
Springer
15 years 3 months ago
Index-Based Keyword Search in Mediator Systems
Many users and applications require the integration of semi-structured data from autonomous, heterogeneous Web sources. Over the last years mediator systems have emerged that use d...
Ingolf Geist