295 search results - page 24 / 59 » Tuning query performance in mobile sensor databases |
VLDB
1994
ACM
15 years 1 months ago
1994
ACM
Index structures for multiple sets can be classified into those that group entries according to their key values and those that group entries according to their set membership. Th...
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SAC
2010
ACM
15 years 4 months ago
2010
ACM
In this paper, we explore the problem of processing a novel type of location based queries, named the location based top-k query, which involves both of spatial and non-spatial sp...
ICIP
2010
IEEE
14 years 7 months ago
2010
IEEE
In this paper, we focus on a new application of mobile visual search: snapping a photo with a mobile device of a video playing on a TV screen to automatically retrieve and stream ...
DMSN
2005
ACM
14 years 11 months ago
2005
ACM
In this paper, we introduce a rotating interrogation technique for sensor networks called Whirlpool. Whirlpool provides opportunities to optimize data delivery in time-critical mo...
MOBIQUITOUS
2007
IEEE
15 years 3 months ago
2007
IEEE
—The skip graph, an application-layer data structure for routing and indexing, may be used in a sensor network to facilitate queries of the distributed k-dimensional data collect...