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» Probabilistic Ranking of Database Query Results
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PODS
2007
ACM
196views Database» more  PODS 2007»
14 years 9 months ago
On the complexity of managing probabilistic XML data
In [3], we introduced a framework for querying and updating probabilistic information over unordered labeled trees, the probabilistic tree model. The data model is based on trees ...
Pierre Senellart, Serge Abiteboul
EDBT
2009
ACM
208views Database» more  EDBT 2009»
14 years 3 months ago
Flexible and efficient querying and ranking on hyperlinked data sources
There has been an explosion of hyperlinked data in many domains, e.g., the biological Web. Expressive query languages and effective ranking techniques are required to convert this...
Ramakrishna Varadarajan, Vagelis Hristidis, Louiqa...
VLDB
2005
ACM
110views Database» more  VLDB 2005»
14 years 2 months ago
U-DBMS: A Database System for Managing Constantly-Evolving Data
In many systems, sensors are used to acquire information from external environments such as temperature, pressure and locations. Due to continuous changes in these values, and lim...
Reynold Cheng, Sarvjeet Singh, Sunil Prabhakar
ICDE
2008
IEEE
146views Database» more  ICDE 2008»
14 years 10 months ago
Explaining and Reformulating Authority Flow Queries
Authority flow is an effective ranking mechanism for answering queries on a broad class of data. Systems have been developed to apply this principle on the Web (PageRank and topic ...
Ramakrishna Varadarajan, Vagelis Hristidis, Louiqa...
KES
2004
Springer
14 years 2 months ago
Multidimensional Visualization and Navigation in Search Results
Abstract. Search engines traditionally index unstructured text and return ranked lists of documents that match a given query. As search engines functionally move in the direction o...
Will Archer Arentz, Aleksander Øhrn