We propose a new distributed, fault-tolerant peer-to-peer index structure called the P-tree. P-trees efficiently evaluate range queries in addition to equality queries.
Adina Crainiceanu, Prakash Linga, Johannes Gehrke,...
We analyze the persistence of information on the web, looking at the percentage of invalid URLs contained in academic articles within the CiteSeer (ResearchIndex) database. The nu...
Steve Lawrence, Frans Coetzee, Gary William Flake,...
Though thanks to technological development web communication capability has made remarkable progress in terms of large data quantity and of speed data transmission, such areas as ...
This paper briefly presents the ISA project that addresses the issue of how argumentation processes can be supported by providing textual information from document databases. The ...
A wealth of information is available on the Web. But often, such data are hidden behind form interfaces which allow only a restrictive set of queries over the underlying databases...