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SAC
2005
ACM
15 years 7 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...
SSD
1993
Springer
152views Database» more  SSD 1993»
15 years 5 months ago
Realms: A Foundation for Spatial Data Types in Database Systems
: Spatial data types or algebras for database systems should (i) be fully general (which means, closed under set operations, hence e.g. a region value can be a set of polygons with...
Ralf Hartmut Güting, Markus Schneider
AVI
2006
15 years 2 months ago
Implicit brushing and target snapping: data exploration and sense-making on large displays
During grouping tasks for data exploration and sense-making, the criteria are normally not well-defined. When users are bringing together data objects thought to be similar in som...
Xiaohua Sun, Patrick Chiu, Jeffrey Huang, Maribeth...
GAMEON
2009
14 years 11 months ago
Analysis of User Trajectories Based on Data Distribution and State Transition: a Case Study with a Massively Multiplayer Online
At present, trajectory data, series of coordinate data traversed by moving objects, can be readily obtained due to the advent of positioning technologies. Clustering of trajectori...
Ruck Thawonmas, Junichi Oda, Kuan-Ta Chen
ESORICS
2009
Springer
16 years 2 months ago
WORM-SEAL: Trustworthy Data Retention and Verification for Regulatory Compliance
Abstract. As the number and scope of government regulations and rules mandating trustworthy retention of data keep growing, businesses today are facing a higher degree of regulatio...
Tiancheng Li, Xiaonan Ma, Ninghui Li