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SIGMOD
2003
ACM
239views Database» more  SIGMOD 2003»
16 years 6 months ago
D(k)-Index: An Adaptive Structural Summary for Graph-Structured Data
To facilitate queries over semi-structured data, various structural summaries have been proposed. Structural summaries are derived directly from the data and serve as indices for ...
Chen Qun, Andrew Lim, Kian Win Ong
WISE
2009
Springer
16 years 3 months ago
Entry Pairing in Inverted File
Abstract. This paper proposes to exploit content and usage information to rearrange an inverted index for a full-text IR system. The idea is to merge the entries of two frequently ...
Hoang Thanh Lam, Raffaele Perego, Nguyen Thoi Minh...
DEXAW
2007
IEEE
137views Database» more  DEXAW 2007»
16 years 20 days ago
FCA for contextual semantic navigation and information retrieval in heterogeneous information systems
This paper presents an information retrieval methodology which uses Formal Concept Analysis in conjunction with semantics to provide contextual answers to users’ queries. User f...
Géraldine Polaillon, Marie-Aude Aufaure, B&...
ISAAC
2005
Springer
138views Algorithms» more  ISAAC 2005»
15 years 11 months ago
On the Complexity of Rocchio's Similarity-Based Relevance Feedback Algorithm
In this paper, we prove for the first time that the learning complexity of Rocchio’s algorithm is O(d+d2 (log d+log n)) over the discretized vector space {0, . . . , n − 1}d ,...
Zhixiang Chen, Bin Fu
SIGIR
1998
ACM
15 years 10 months ago
Cross-Language Information Retrieval with the UMLS Metathesaurus
We investigate an automatic method for Cross Language Information Retrieval (CLIR) that utilizes the multilingual UMLS Metathesaurus to translate Spanish and French natural languag...
David Eichmann, Miguel E. Ruiz, Padmini Srinivasan