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DEXA
2011
Springer
296views Database» more  DEXA 2011»
14 years 6 months ago
A Scalable Tag-Based Recommender System for New Users of the Social Web
Abstract. Folksonomies have become a powerful tool to describe, discover, search, and navigate online resources (e.g., pictures, videos, blogs) on the Social Web. Unlike taxonomies...
Valentina Zanardi, Licia Capra
GIS
2005
ACM
16 years 7 months ago
Two ellipse-based pruning methods for group nearest neighbor queries
Group nearest neighbor (GNN) queries are a relatively new type of operations in spatial database applications. Different from a traditional kNN query which specifies a single quer...
Hongga Li, Hua Lu, Bo Huang, Zhiyong Huang
ICMCS
2000
IEEE
110views Multimedia» more  ICMCS 2000»
15 years 10 months ago
Multi-clip Query Optimization in Video Databases
A multi-clip query requests multiple video clips. In this paper we address the multi-clip query optimization problem. We propose a new heuristics called Restricted Search Interval...
Ahmed Mostefaoui, Lionel Brunie, Harald Kosch, L&a...
ENTCS
2008
100views more  ENTCS 2008»
15 years 6 months ago
Implementing an EJB3-Specific Graph Transformation Plugin by Using Database Independent Queries
The current paper presents a novel approach to implement a graph transformation engine as an EJB3-specific plugin by using EJB QL queries for pattern matching. The essence of the ...
Gergely Varró
ICDE
2010
IEEE
210views Database» more  ICDE 2010»
15 years 11 months ago
IQ^P: Incremental Query Construction, a Probabilistic Approach
—This paper presents IQP - a novel approach to bridge the gap between usability of keyword search and expressiveness of database queries. IQP enables a user to start with an arbi...
Elena Demidova, Xuan Zhou, Wolfgang Nejdl