Distributed Suffix Tree Overlay for Peer-to-Peer Search

Establishing an appropriate semantic overlay on peer-to-peer (P2P) networks to obtain both semantic ability and scalability is a challenge. Current DHT-based P2P networks are limited in their ability to support a semantic search. This paper proposes the Distributed Suffix Tree (DST) overlay as the intermediate layer between the DHT overlay and the semantic overlay to support the search of a keyword sequence. Its time cost is sublinear with the length of the keyword sequence. Analysis and experiments show that the DST-based search is fast, load-balanced, and useful in realizing an accurate content search on P2P networks.

• Type: Journal
• Year: 2008
• Where: TKDE
• Authors: Hai Zhuge, Liang Feng
• Keywords: Appropriate Semantic Overlay, P2P Networks, Semantic Overlay, TKDE 2008