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DEXA
2011
Springer
296views Database» more  DEXA 2011»
14 years 1 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 2 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 6 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 1 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 6 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