Decentralized and unstructured peer-to-peer (P2P) networks such as Gnutella are attractive for large-scale information retrieval and search systems due to scalability, fault-tolera...
The paper reviews the TREC Programme up to TREC-6 (1997), considering the test results, the substantive findings for IR that follow, and the lessons TREC offers for IR evaluation....
Abstract. Given two datasets DA and DB the closest-pair query (CPQ) retrieves the pair (a,b), where a ∈ DA and b ∈ DB, having the smallest distance between all pairs of objects...
Apostolos N. Papadopoulos, Alexandros Nanopoulos, ...
— We consider the problem of processing exact results for sliding window joins over data streams with limited memory. Existing approaches deal with memory limitations by shedding...
In this paper, we present an extension of PHIL, a declarative language for filtering information from XML data. The proposed approach allows us to extract relevant data as well a...