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SIGMOD
2010
ACM
232views Database» more  SIGMOD 2010»
13 years 4 months ago
Optimizing content freshness of relations extracted from the web using keyword search
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...
Mohan Yang, Haixun Wang, Lipyeow Lim, Min Wang
SIGMOD
2000
ACM
83views Database» more  SIGMOD 2000»
13 years 9 months ago
Synchronizing a Database to Improve Freshness
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...
Junghoo Cho, Hector Garcia-Molina