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» The Orion Uncertain Data Management System
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SIGMOD
2009
ACM
125views Database» more  SIGMOD 2009»
14 years 7 months ago
Top-k queries on uncertain data: on score distribution and typical answers
Uncertain data arises in a number of domains, including data integration and sensor networks. Top-k queries that rank results according to some user-defined score are an important...
Tingjian Ge, Stanley B. Zdonik, Samuel Madden
EDBT
2009
ACM
207views Database» more  EDBT 2009»
13 years 10 months ago
Evaluating probability threshold k-nearest-neighbor queries over uncertain data
In emerging applications such as location-based services, sensor monitoring and biological management systems, the values of the database items are naturally imprecise. For these ...
Reynold Cheng, Lei Chen 0002, Jinchuan Chen, Xike ...
ICCS
2005
Springer
14 years 26 days ago
A Dynamic, Data-Driven, Decision Support System for Emergency Medical Services
In crisis, decisions must be made in human perceptual timeframes under pressure to respond to dynamic uncertain conditions. To be effective management must have access to real time...
Mark Gaynor, Margo I. Seltzer, Steve Moulton, Jim ...
EDBT
2011
ACM
205views Database» more  EDBT 2011»
12 years 11 months ago
A probabilistic XML merging tool
This demonstration paper presents a probabilistic XML data merging tool, that represents the outcome of semi-structured document integration as a probabilistic tree. The system is...
Talel Abdessalem, M. Lamine Ba, Pierre Senellart
SIGMOD
2008
ACM
205views Database» more  SIGMOD 2008»
14 years 7 months ago
Monochromatic and bichromatic reverse skyline search over uncertain databases
Reverse skyline queries over uncertain databases have many important applications such as sensor data monitoring and business planning. Due to the existence of uncertainty in many...
Xiang Lian, Lei Chen 0002