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» Answering imprecise database queries: a novel approach
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ICDM
2007
IEEE
99views Data Mining» more  ICDM 2007»
15 years 6 months ago
Optimizing Frequency Queries for Data Mining Applications
Data mining algorithms use various Trie and bitmap-based representations to optimize the support (i.e., frequency) counting performance. In this paper, we compare the memory requi...
Hassan H. Malik, John R. Kender
AAAI
2010
15 years 1 months ago
Prioritization of Domain-Specific Web Information Extraction
It is often desirable to extract structured information from raw web pages for better information browsing, query answering, and pattern mining. Many such Information Extraction (...
Jian Huang, Cong Yu
PVLDB
2010
120views more  PVLDB 2010»
14 years 10 months ago
Sampling the Repairs of Functional Dependency Violations under Hard Constraints
Violations of functional dependencies (FDs) are common in practice, often arising in the context of data integration or Web data extraction. Resolving these violations is known to...
George Beskales, Ihab F. Ilyas, Lukasz Golab
ICDE
2004
IEEE
137views Database» more  ICDE 2004»
16 years 1 months ago
Selectivity Estimation for XML Twigs
Twig queries represent the building blocks of declarative query languages over XML data. A twig query describes a complex traversal of the document graph and generates a set of el...
Neoklis Polyzotis, Minos N. Garofalakis, Yannis E....
SIGMOD
2008
ACM
123views Database» more  SIGMOD 2008»
15 years 12 months ago
Query-based partitioning of documents and indexes for information lifecycle management
Regulations require businesses to archive many electronic documents for extended periods of time. Given the sheer volume of documents and the response time requirements, documents...
Soumyadeb Mitra, Marianne Winslett, Windsor W. Hsu