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AINA
2007
IEEE
15 years 10 months ago
DHTs over Peer Clusters for Distributed Information Retrieval
Distributed Hash Tables (DHTs) are very efficient for querying based on key lookups, if only a small number of keys has to be registered by each individual peer. However, building...
Odysseas Papapetrou, Wolf Siberski, Wolf-Tilo Balk...
141
Voted
SIGIR
2011
ACM
14 years 6 months ago
Ad hoc IR: not much room for improvement
Ranking function performance reached a plateau in 1994. The reason for this is investigated. First the performance of BM25 is measured as the proportion of queries satisfied on th...
Andrew Trotman, David Keeler
136
Voted
CIVR
2010
Springer
176views Image Analysis» more  CIVR 2010»
15 years 1 months ago
Interacting with location-based multimedia using sketches
We propose a set of sketch-based interaction techniques for efficient retrieval of multimedia related to locations. The user makes a simple sketch on a map to interact with it, in...
Gamhewage C. de Silva, Kiyoharu Aizawa
228
Voted
SIGMOD
2008
ACM
122views Database» more  SIGMOD 2008»
16 years 3 months ago
Building query optimizers for information extraction: the SQoUT project
Text documents often embed data that is structured in nature. This structured data is increasingly exposed using information extraction systems, which generate structured relation...
Alpa Jain, Panagiotis G. Ipeirotis, Luis Gravano
126
Voted
DMSN
2004
ACM
15 years 9 months ago
A framework for spatio-temporal query processing over wireless sensor networks
Wireless sensor networks consist of nodes with the ability to measure, store, and process data, as well as to communicate wirelessly with nodes located in their wireless range. Us...
Alexandru Coman, Mario A. Nascimento, Jörg Sa...