ICDT
2010
ACM
13 years 10 months ago
2010
ACM
Schema mapping composition is a fundamental operation in schema management and data exchange. The mapping composition problem has been extensively studied for a number of mapping ...
ICDT
2010
ACM
13 years 10 months ago
2010
ACM
We propose a greedy algorithm which, given a hypergraph H and a positive integer k, produces a hypertree decomposition of width less than or equal to 3k −1, or determines that H...
SIGMOD
2008
ACM
13 years 11 months ago
2008
ACM
The First International Workshop on Transforming and Weaving Ontologies in Model Driven Engineering (TWOMDE 2008), affiliated with the 11th International Conference on Model Drive...
SIGMOD
2008
ACM
13 years 11 months ago
2008
ACM
SIGMOD
2008
ACM
13 years 11 months ago
2008
ACM
SIGMOD
2008
ACM
13 years 11 months ago
2008
ACM
In Computer Science, we have developed a vibrant conference culture, which has served us well thus far. However, with the growth of our field, the number of submissions to many co...
SIGMOD
2008
ACM
13 years 11 months ago
2008
ACM
Our collaboration with Jim Gray has created some of the world's largest astronomy databases, and has enabled us to test many avant-garde ideas in practice. The astronomers ha...
SIGMOD
2008
ACM
13 years 11 months ago
2008
ACM
In this article I will reflect on the writing of "Transaction Processing
SIGMOD
2008
ACM
13 years 11 months ago
2008
ACM
I knew Jim Gray as a colleague, a friend and an employee. He created the first Microsoft Research group outside of our initial research lab in Redmond, WA. Jim's impact on in...
SIGMOD
2008
ACM
13 years 11 months ago
2008
ACM
While at the IBM San Jose Research Laboratory, in the 1970's, Dr. Jim Gray defined and developed the fundamental concepts and techniques that underlie on-line transaction pro...