SIGMOD
2010
ACM
13 years 11 months ago
2010
ACM
An increasing number of applications operate on data obtained from the Web. These applications typically maintain local copies of the web data to avoid network latency in data acc...
SIGMOD
2000
ACM
14 years 3 months ago
2000
ACM
In this paper we study how to refresh a local copy of an autonomous data source to maintain the copy up-to-date. As the size of the data grows, it becomes more difficult to mainta...