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» Answering Imprecise Queries over Web Databases
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SIGMOD
2006
ACM
156views Database» more  SIGMOD 2006»
14 years 9 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
ICEIS
2009
IEEE
14 years 3 months ago
Relaxing XML Preference Queries for Cooperative Retrieval
Today XML is an essential technology for knowledge management within enterprises and dissemination of data over the Web. Therefore the efficient evaluation of XML queries has been ...
SungRan Cho, Wolf-Tilo Balke
PODS
2003
ACM
143views Database» more  PODS 2003»
14 years 9 months ago
Maintaining variance and k-medians over data stream windows
The sliding window model is useful for discounting stale data in data stream applications. In this model, data elements arrive continually and only the most recent N elements are ...
Brian Babcock, Mayur Datar, Rajeev Motwani, Liadan...
PODS
2006
ACM
122views Database» more  PODS 2006»
14 years 9 months ago
Space- and time-efficient deterministic algorithms for biased quantiles over data streams
Skew is prevalent in data streams, and should be taken into account by algorithms that analyze the data. The problem of finding "biased quantiles"-- that is, approximate...
Graham Cormode, Flip Korn, S. Muthukrishnan, Dives...
ESWS
2010
Springer
14 years 1 months ago
A Node Indexing Scheme for Web Entity Retrieval
Now motivated also by the partial support of major search engines, hundreds of millions of documents are being published on the web embedding semi-structured data in RDF, RDFa and ...
Renaud Delbru, Nickolai Toupikov, Michele Catasta,...