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» Query ranking in probabilistic XML data
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WSDM
2010
ACM
210views Data Mining» more  WSDM 2010»
14 years 4 months ago
Leveraging Temporal Dynamics of Document Content in Relevance Ranking
Many web documents are dynamic, with content changing in varying amounts at varying frequencies. However, current document search algorithms have a static view of the document con...
Jonathan L. Elsas, Susan T. Dumais
DKE
2008
96views more  DKE 2008»
13 years 7 months ago
Fragment-based approximate retrieval in highly heterogeneous XML collections
Due to the heterogeneous nature of XML data for internet applications exact matching of queries is often inadequate. The need arises to quickly identify subtrees of XML documents ...
Ismael Sanz, Marco Mesiti, Giovanna Guerrini, Rafa...
ICDE
2011
IEEE
234views Database» more  ICDE 2011»
12 years 11 months ago
How schema independent are schema free query interfaces?
— Real-world databases often have extremely complex schemas. With thousands of entity types and relationships, each with a hundred or so attributes, it is extremely difficult fo...
Arash Termehchy, Marianne Winslett, Yodsawalai Cho...
SIGIR
2010
ACM
13 years 5 months ago
DivQ: diversification for keyword search over structured databases
Keyword queries over structured databases are notoriously ambiguous. No single interpretation of a keyword query can satisfy all users, and multiple interpretations may yield over...
Elena Demidova, Peter Fankhauser, Xuan Zhou, Wolfg...
ICDE
2010
IEEE
263views Database» more  ICDE 2010»
14 years 7 months ago
Managing Uncertainty of XML Schema Matching
Abstract-- Despite of advances in machine learning technologies, a schema matching result between two database schemas (e.g., those derived from COMA++) is likely to be imprecise. ...
Reynold Cheng, Jian Gong, David W. Cheung