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VLDB
1995
ACM
132views Database» more  VLDB 1995»
13 years 11 months ago
Coloring Away Communication in Parallel Query Optimization
We address the problem of finding parallel plans for SQL queries using the two-phase approach of join ordering and query rewrite (JOQR) followed by parallelization. We focus on t...
Waqar Hasan, Rajeev Motwani
ER
2006
Springer
137views Database» more  ER 2006»
13 years 11 months ago
Preference Functional Dependencies for Managing Choices
Abstract. The notion of user preference in database modeling has recently received much attention in advanced applications, such as personalization of e-services, since it captures...
Wilfred Ng
DEXA
1995
Springer
125views Database» more  DEXA 1995»
13 years 11 months ago
An SQL Extension Supporting User Viewpoints
- In order to accomplish independence on the logical data organization, a relational DBMS must be capable of interpreting query language sentences which reference attributes belong...
Giuseppe Bellavia, Dario Maio, Stefano Rizzi
CHI
2003
ACM
14 years 8 months ago
Dynamic query sliders vs. brushing histograms
Dynamic queries facilitate exploration of information through real-time visual display of both query formulation and results. Dynamic query sliders are linked to the main visualiz...
Qing Li, Xiaofeng Bao, Chen Song, Jinfei Zhang, Ch...
ENTCS
2006
123views more  ENTCS 2006»
13 years 7 months ago
Wrapping of Web Sources with restricted Query Interfaces by Query Tunneling
Information sources in the World Wide Web usually offer two different schemes to their users, an Interface Schema which the user can query and a Result Schema which the user can b...
Thomas Kabisch, Mattis Neiling