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GIS
2009
ACM
16 years 5 months ago
Map-Matching for Low-Sampling-Rate GPS Trajectories
Map-matching is the process of aligning a sequence of observed user positions with the road network on a digital map. It is a fundamental pre-processing step for many applications...
Yin Lou, Chengyang Zhang, Yu Zheng, Xing Xie, Wei ...
VLDB
2005
ACM
109views Database» more  VLDB 2005»
16 years 4 months ago
Model-based approximate querying in sensor networks
Abstract Declarative queries are proving to be an attractive paradigm for interacting with networks of wireless sensors. The metaphor that "the sensornet is a database" i...
Amol Deshpande, Carlos Guestrin, Samuel Madden, Jo...
VLDB
2007
ACM
143views Database» more  VLDB 2007»
16 years 4 months ago
OLAP over Imprecise Data with Domain Constraints
Several recent papers have focused on OLAP over imprecise data, where each fact can be a region, instead of a point, in a multidimensional space. They have provided a multiple-wor...
Douglas Burdick, AnHai Doan, Raghu Ramakrishnan, S...
SIGMOD
2009
ACM
175views Database» more  SIGMOD 2009»
16 years 4 months ago
QoX-driven ETL design: reducing the cost of ETL consulting engagements
As business intelligence becomes increasingly essential for organizations and as it evolves from strategic to operational, the complexity of Extract-Transform-Load (ETL) processes...
Alkis Simitsis, Kevin Wilkinson, Malú Caste...
SIGMOD
2009
ACM
153views Database» more  SIGMOD 2009»
16 years 4 months ago
ELMR: lightweight mobile health records
Cell phones are increasingly being used as common clients for a wide suite of distributed, database-centric healthcare applications in developing regions. This is particularly tru...
Arvind Kumar, Amey Purandare, Jay Chen, Arthur Mea...