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WWW
2010
ACM
15 years 10 months ago
Time is of the essence: improving recency ranking using Twitter data
Realtime web search refers to the retrieval of very fresh content which is in high demand. An effective portal web search engine must support a variety of search needs, including ...
Anlei Dong, Ruiqiang Zhang, Pranam Kolari, Jing Ba...
EWSN
2007
Springer
15 years 10 months ago
Improving the Energy Efficiency of the MANTIS Kernel
Abstract. Event-driven operating systems such as TinyOS are the preferred choice for wireless sensor networks. Alternative designs following a classical multi-threaded approach are...
Cormac Duffy, Utz Roedig, John Herbert, Cormac J. ...
DASFAA
2009
IEEE
173views Database» more  DASFAA 2009»
15 years 10 months ago
A Uniform Framework for Ad-Hoc Indexes to Answer Reachability Queries on Large Graphs
Graph-structured databases and related problems such as reachability query processing have been increasingly relevant to many applications such as XML databases, biological databas...
Linhong Zhu, Byron Choi, Bingsheng He, Jeffrey Xu ...
ICDE
2007
IEEE
146views Database» more  ICDE 2007»
15 years 10 months ago
Index-based Most Similar Trajectory Search
The problem of trajectory similarity in moving object databases is a relatively new topic in the spatial and spatiotemporal database literature. Existing work focuses on the spati...
Elias Frentzos, Kostas Gratsias, Yannis Theodoridi...
ECUMN
2004
Springer
15 years 10 months ago
Fast Handoff Algorithm Using Access Points with Dual RF Modules
With the spread of portable computers, mobile users rapidly increase and have growing interests in wireless LAN (WLAN). However, when a mobile node (MN) moves, handoff can frequent...
Chun-Su Park, Hye-Soo Kim, Sang-Hee Park, Kyunghun...