Sciweavers

3628 search results - page 685 / 726
» Managing Data Quality in Cooperative Information Systems
Sort
View
SIGMOD
2007
ACM
229views Database» more  SIGMOD 2007»
14 years 8 months ago
Spark: top-k keyword query in relational databases
With the increasing amount of text data stored in relational databases, there is a demand for RDBMS to support keyword queries over text data. As a search result is often assemble...
Yi Luo, Xuemin Lin, Wei Wang 0011, Xiaofang Zhou
VLDB
2007
ACM
137views Database» more  VLDB 2007»
14 years 2 months ago
Detecting Attribute Dependencies from Query Feedback
Real-world datasets exhibit a complex dependency structure among the data attributes. Learning this structure is a key task in automatic statistics configuration for query optimi...
Peter J. Haas, Fabian Hueske, Volker Markl
CASES
2007
ACM
14 years 20 days ago
Stack size reduction of recursive programs
For memory constrained environments like embedded systems, optimization for program size is often as important, if not more important, as optimization for execution speed. Commonl...
Stefan Schäckeler, Weijia Shang
SIGMOD
2012
ACM
190views Database» more  SIGMOD 2012»
11 years 11 months ago
Sample-driven schema mapping
End-users increasingly find the need to perform light-weight, customized schema mapping. State-of-the-art tools provide powerful functions to generate schema mappings, but they u...
Li Qian, Michael J. Cafarella, H. V. Jagadish
WWW
2008
ACM
14 years 9 months ago
Yes, there is a correlation: - from social networks to personal behavior on the web
Characterizing the relationship that exists between a person's social group and his/her personal behavior has been a long standing goal of social network analysts. In this pa...
Parag Singla, Matthew Richardson