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» Supporting spatial aggregation in sensor network databases
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SIGMOD
2012
ACM
234views Database» more  SIGMOD 2012»
11 years 10 months ago
Oracle in-database hadoop: when mapreduce meets RDBMS
Big data is the tar sands of the data world: vast reserves of raw gritty data whose valuable information content can only be extracted at great cost. MapReduce is a popular parall...
Xueyuan Su, Garret Swart
MOBISYS
2007
ACM
14 years 7 months ago
Experiences of designing and deploying intelligent sensor nodes to monitor hand-arm vibrations in the field
The NEMO project is exploring the use of mobile sensor nodes to augment physical work artefacts in order to ensure compliance with health and safety regulations. In this paper we ...
Christos Efstratiou, Nigel Davies, Gerd Kortuem, J...
ICNP
2000
IEEE
13 years 12 months ago
SCalable Object-tracking through Unattended Techniques (SCOUT)
A scalable object location service can enable users to search for various objects in an environment where many small, networked devices are attached to objects. We investigate two...
Satish Kumar, Cengiz Alaettinoglu, Deborah Estrin
MOBISYS
2005
ACM
14 years 7 months ago
A relative positioning system for co-located mobile devices
If a mobile computing device knows how it is positioned and oriented in relation to other devices nearby, then it can provide enhanced support for multi-device and multi-user inte...
Mike Hazas, Christian Kray, Hans-Werner Gellersen,...
SAC
2005
ACM
14 years 1 months ago
Indexing continuously changing data with mean-variance tree
: Traditional spatial indexes like R-tree usually assume the database is not updated frequently. In applications like location-based services and sensor networks, this assumption i...
Yuni Xia, Sunil Prabhakar, Shan Lei, Reynold Cheng...