Sciweavers

556 search results - page 65 / 112
» Evaluation of probabilistic queries in moving objects databa...
Sort
View
MDM
2010
Springer
152views Communications» more  MDM 2010»
15 years 6 months ago
Finding One-Of Probably Nearest Neighbors with Minimum Location Updates
—Location information is necessarily uncertain when objects are constantly moving. The cost can be high to maintain precise locations at the application server for all the object...
Mitzi McCarthy, Xiaoyang Sean Wang, Zhen He
TOOLS
2000
IEEE
15 years 5 months ago
Spatiotemporal Data Modeling and Management: A Survey
Many data objects in the real world have attributes about location and time. Such spatiotemporal objects can be found in applications such Geographic Information Systems (GIS), env...
Xiaoyu Wang, Xiaofang Zhou, Sanglu Lu
DASFAA
2004
IEEE
158views Database» more  DASFAA 2004»
15 years 5 months ago
A Cost Model for Spatial Intersection Queries on RI-Trees
Abstract. The efficient management of interval sequences represents a core requirement for many temporal and spatial database applications. With the Relational Interval Tree (RI-tr...
Hans-Peter Kriegel, Martin Pfeifle, Marco Pöt...
JCDL
2006
ACM
92views Education» more  JCDL 2006»
15 years 7 months ago
Probabilistic, object-oriented logics for annotation-based retrieval in digital libraries
In this paper we introduce POLAR, a probabilistic objectoriented logical framework for annotation-based information retrieval. In POLAR, the knowledge about digital objects, annot...
Ingo Frommholz, Norbert Fuhr
SIGMOD
2004
ACM
161views Database» more  SIGMOD 2004»
16 years 1 months ago
Approximation Techniques for Spatial Data
Spatial Database Management Systems (SDBMS), e.g., Geographical Information Systems, that manage spatial objects such as points, lines, and hyper-rectangles, often have very high ...
Abhinandan Das, Johannes Gehrke, Mirek Riedewald