Sciweavers

133 search results - page 12 / 27
» sigmod 2010
Sort
View
SIGMOD
2010
ACM
159views Database» more  SIGMOD 2010»
13 years 7 months ago
Histograms reloaded: the merits of bucket diversity
Virtually all histograms store for each bucket the number of distinct values it contains and their average frequency. In this paper, we question this paradigm. We start out by inv...
Carl-Christian Kanne, Guido Moerkotte
SIGMOD
2010
ACM
274views Database» more  SIGMOD 2010»
14 years 1 months ago
K-isomorphism: privacy preserving network publication against structural attacks
Serious concerns on privacy protection in social networks have been raised in recent years; however, research in this area is still in its infancy. The problem is challenging due ...
James Cheng, Ada Wai-Chee Fu, Jia Liu
SIGMOD
2010
ACM
171views Database» more  SIGMOD 2010»
14 years 1 months ago
Variance aware optimization of parameterized queries
Parameterized queries are commonly used in database applications. In a parameterized query, the same SQL statement is potentially executed multiple times with different parameter ...
Surajit Chaudhuri, Hongrae Lee, Vivek R. Narasayya
SIGMOD
2010
ACM
171views Database» more  SIGMOD 2010»
13 years 8 months ago
An optimal labeling scheme for workflow provenance using skeleton labels
We develop a compact and efficient reachability labeling scheme for answering provenance queries on workflow runs that conform to a given specification. Even though a workflow run...
Zhuowei Bao, Susan B. Davidson, Sanjeev Khanna, Su...
SIGMOD
2010
ACM
224views Database» more  SIGMOD 2010»
13 years 8 months ago
GDR: a system for guided data repair
Improving data quality is a time-consuming, labor-intensive and often domain specific operation. Existing data repair approaches are either fully automated or not efficient in int...
Mohamed Yakout, Ahmed K. Elmagarmid, Jennifer Nevi...