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» Approximate Selection Queries over Imprecise Data
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ICDE
2007
IEEE
219views Database» more  ICDE 2007»
16 years 7 months ago
Efficient Keyword Search Across Heterogeneous Relational Databases
Keyword search is a familiar and potentially effective way to find information of interest that is "locked" inside relational databases. Current work has generally assum...
Mayssam Sayyadian, Hieu LeKhac, AnHai Doan, Luis G...
SIGMOD
2006
ACM
156views Database» more  SIGMOD 2006»
16 years 6 months ago
MauveDB: supporting model-based user views in database systems
Real-world data -- especially when generated by distributed measurement infrastructures such as sensor networks -- tends to be incomplete, imprecise, and erroneous, making it impo...
Amol Deshpande, Samuel Madden
SEBD
2008
206views Database» more  SEBD 2008»
15 years 7 months ago
Efficient and Effective Query Answering in a PDMS with SUNRISE
Abstract. Peer Data Management Systems (PDMSs) have been recently proposed as an evolution of Peer-To-Peer (P2P) systems toward a more semantics-based description of peers' co...
Federica Mandreoli, Riccardo Martoglia, Wilma Penz...
SIGMOD
2001
ACM
124views Database» more  SIGMOD 2001»
16 years 6 months ago
Query Optimization In Compressed Database Systems
Over the last decades, improvements in CPU speed have outpaced improvements in main memory and disk access rates by orders of magnitude, enabling the use of data compression techn...
Zhiyuan Chen, Johannes Gehrke, Flip Korn
GIS
2007
ACM
16 years 7 months ago
Proximity queries in large traffic networks
In this paper, we present an original network graph embedding to speed-up distance-range and k-nearest neighbor queries in (weighted) graphs. Our approach implements the paradigm ...
Hans-Peter Kriegel, Matthias Renz, Peer Kröge...