Sciweavers

3932 search results - page 63 / 787
» Adaptive Index Structures
Sort
View
DEXA
2010
Springer
230views Database» more  DEXA 2010»
14 years 7 months ago
Hybrid Indexing and Seamless Ranking of Spatial and Textual Features of Web Documents
Abstract. There is a significant commercial and research interest in locationbased web search engines. Given a number of search keywords and one or more locations that a user is in...
Ali Khodaei, Cyrus Shahabi, Chen Li
SPIRE
2007
Springer
15 years 3 months ago
Approximate String Matching with Lempel-Ziv Compressed Indexes
Abstract. A compressed full-text self-index for a text T is a data structure requiring reduced space and able of searching for patterns P in T. Furthermore, the structure can repro...
Luís M. S. Russo, Gonzalo Navarro, Arlindo ...
SODA
2001
ACM
87views Algorithms» more  SODA 2001»
14 years 11 months ago
A linear lower bound on index size for text retrieval
Most information-retrieval systems preprocess the data to produce an auxiliary index structure. Empirically, it has been observed that there is a tradeoff between query response t...
Erik D. Demaine, Alejandro López-Ortiz
INFOCOM
2006
IEEE
15 years 3 months ago
The Index Poisoning Attack in P2P File Sharing Systems
— P2P file-sharing systems have indexes, which users search to find locations of desired titles. In the index poisoning attack, the attacker inserts massive numbers of bogus re...
Jian Liang, Naoum Naoumov, Keith W. Ross
WETICE
2009
IEEE
15 years 4 months ago
Search Optimizations in Structured Peer-to-Peer Systems
Abstract—DHT systems are structured overlay networks capable of using P2P resources as a scalable platform for very large data storage applications. However, their efficiency ex...
Nuno Lopes, Carlos Baquero