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WSDM
2009
ACM
104views Data Mining» more  WSDM 2009»
15 years 11 months ago
Top-k aggregation using intersections of ranked inputs
There has been considerable past work on efficiently computing top k objects by aggregating information from multiple ranked lists of these objects. An important instance of this...
Ravi Kumar, Kunal Punera, Torsten Suel, Sergei Vas...
CIKM
2005
Springer
15 years 10 months ago
Concept-based interactive query expansion
Despite the recent advances in search quality, the fast increase in the size of the Web collection has introduced new challenges for Web ranking algorithms. In fact, there are sti...
Bruno M. Fonseca, Paulo Braz Golgher, Bruno P&ocir...
CIKM
2005
Springer
15 years 10 months ago
Maximal termsets as a query structuring mechanism
Search engines process queries conjunctively to restrict the size of the answer set. Further, it is not rare to observe a mismatch between the vocabulary used in the text of Web p...
Bruno Pôssas, Nivio Ziviani, Berthier A. Rib...
JCDL
2004
ACM
114views Education» more  JCDL 2004»
15 years 10 months ago
Translating unknown cross-lingual queries in digital libraries using a web-based approach
Users’ cross-lingual queries to a digital library system might be short and not included in a common translation dictionary (unknown terms). In this paper, we investigate the fe...
Jenq-Haur Wang, Jei-Wen Teng, Pu-Jen Cheng, Wen-Hs...
ICFCA
2010
Springer
15 years 9 months ago
A Survey of Hybrid Representations of Concept Lattices in Conceptual Knowledge Processing
A feature of Formal Concept Analysis is the use of the line diagram of the concept lattice to visualize a conceptual space. The line diagram is a specialized form of Hasse diagram ...
Peter W. Eklund, Jean Villerd