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DEEC
2005
IEEE
15 years 3 months ago
Using Semantic Information to Improve Transparent Query Caching for Dynamic Content Web Sites
In this paper, we study the use of semantic information to improve performance of transparent query caching for dynamic content web sites. We observe that in dynamic content web a...
Gokul Soundararajan, Cristiana Amza
SIGMOD
2005
ACM
118views Database» more  SIGMOD 2005»
15 years 9 months ago
RPJ: Producing Fast Join Results on Streams through Rate-based Optimization
We consider the problem of "progressively" joining relations whose records are continuously retrieved from remote sources through an unstable network that may incur temp...
Yufei Tao, Man Lung Yiu, Dimitris Papadias, Marios...
WWW
2009
ACM
15 years 10 months ago
Mapping the world's photos
We investigate how to organize a large collection of geotagged photos, working with a dataset of about 35 million images collected from Flickr. Our approach combines content analy...
David J. Crandall, Lars Backstrom, Daniel P. Hutte...
ICDE
1999
IEEE
151views Database» more  ICDE 1999»
15 years 11 months ago
Data Integration by Describing Sources with Constraint Databases
We develop a data integration approach for the efficient evaluation of queries over autonomous source databases. The approach is based on some novel applications and extensions of...
Xun Cheng, Guozhu Dong, Tzekwan Lau, Jianwen Su
PODS
1990
ACM
150views Database» more  PODS 1990»
15 years 1 months ago
On Being Optimistic about Real-Time Constraints
- Performancestudiesof concurrencycontrol algorithms for conventional database systems have shown that, under most operating circumstances, locking protocols outperform optimistic ...
Jayant R. Haritsa, Michael J. Carey, Miron Livny