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Skip to Search Results- 5Nascimento, Mario A.
- 2Kriegel, Hans-Peter
- 2Kroeger, Peer
- 2Renz, Matthias
- 1Balasingham, Ilangko
- 1Follmann, Anna
- 4Database Systems
- 1Aggregation
- 1Communication Networks
- 1Continuous top-k queries
- 1Dominating set tree
- 1Filtering
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2010
Renz, Matthias, Kriegel, Hans-Peter, Nascimento, Mario A., Follmann, Anna, Kroeger, Peer, Zuefle, Andreas
Technical report TR10-09. Count queries in wireless sensor networks report the number of sensor nodes for which the measured values satisfy a given query predicate. However, measurements in wireless sensor networks are typically imprecise due to limited accuracy of the sensor hardware or...
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2010
Niedermayer, Johannes, Nascimento, Mario A., Kroeger, Peer, Kriegel, Hans-Peter, Renz, Matthias
Technical report TR10-03. Top-k queries are a popular type of query in Wireless Sensor Networks. Typical solutions rely on coordinated root-to-nodes and nodes-to-root messages and on maintaining filters at the nodes, aiming at suppressing unnecessary messages, hence saving energy and furthering...
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2012
Kazemeyni, Fatemah, Owe, Olaf, Johnsen, Einar Broch, Balasingham, Ilangko, Nascimento, Mario A.
Technical report TR12-01. Limited energy supply is a chief concern when dealing with wireless sensor networks (WSNs). Thus, among other issues, routing protocols for WSNs should be designed with the goal of being energy efficient in the first place. For static networks this is already a...
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2013
Hindle, Abram, Wang, Jiemin, Nascimento, Mario A., Jiang, Feng
The open source development community consists of both paid and volunteer developers as well as new and experienced users. Previous work has applied social network analysis (SNA) to open source communities and has demonstrated value in expertise discovery and triaging. One problem with applying...
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2009
Nikolaidis, Ioanis, Nascimento, Mario A., Malhotra, Baljeet
Technical report TR09-01. Finding the top-k values is an important type of aggregation query in wireless sensor networks. Previous proposals relied on a given underlying logical tree topology for data aggregation/forwarding, but did not pay due attention to the role of such topology. In this...