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» Capacity-Constrained Query Formulation
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ICDE
2009
IEEE
149views Database» more  ICDE 2009»
16 years 3 months ago
OPAQUE: Protecting Path Privacy in Directions Search
Directions search returns the shortest path from a source to a destination on a road network. However, the search interests of users may be exposed to the service providers, thus r...
Ken C. K. Lee, Wang-Chien Lee, Hong Va Leong, Baih...
DEXA
2008
Springer
113views Database» more  DEXA 2008»
15 years 4 months ago
Optimal Preference Elicitation for Skyline Queries over Categorical Domains
When issuing user-specific queries, users often have a vaguely defined information need. Skyline queries identify the most "interesting" objects for users' incomplet...
Jongwuk Lee, Gae-won You, Seung-won Hwang, Joachim...
ACIVS
2005
Springer
15 years 7 months ago
Interactive Object-Based Retrieval Using Relevance Feedback
In this paper we present an interactive, object-based video retrieval system which features a novel query formulation method that is used to iteratively refine an underlying model...
Sorin Sav, Hyowon Lee, Noel E. O'Connor, Alan F. S...
126
Voted
TREC
2003
15 years 3 months ago
Interactive Search Refinement Techniques for HARD Tasks
In our entry to the new HARD track, we have investigated two methods of interactively refining user search formulations. One method consists of asking the user to select a number ...
Olga Vechtomova, Eric Lam, Murat Karamuftuoglu
206
Voted
ICDE
2007
IEEE
116views Database» more  ICDE 2007»
16 years 3 months ago
X-Time: Schema Versioning and Cross-Version Querying in Data Warehouses
In this demo we present X-Time, a prototype for managing schema versioning in relational data warehouses, specifically oriented to support the formulation of crossversion queries,...
Stefano Rizzi, Matteo Golfarelli