Sciweavers

3151 search results - page 176 / 631
» Using query term order for result summarisation
Sort
View
117
Voted
ICDM
2007
IEEE
99views Data Mining» more  ICDM 2007»
15 years 11 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
AAI
2011
197views Algorithms» more  AAI 2011»
14 years 8 months ago
Document Translation Retrieval Based on Statistical Machine Translation Techniques
We compare different strategies to apply statistical machine translation techniques in order to retrieve documents which are a plausible translation of a given source document. Fi...
Felipe Sánchez-Martínez, Rafael C. C...
TREC
2004
15 years 6 months ago
University of Glasgow at TREC 2004: Experiments in Web, Robust, and Terabyte Tracks with Terrier
With our participation in TREC2004, we test Terrier, a modular and scalable Information Retrieval framework, in three tracks. For the mixed query task of the Web track, we employ ...
Vassilis Plachouras, Ben He, Iadh Ounis
CIKM
2011
Springer
14 years 4 months ago
Estimating selectivity for joined RDF triple patterns
A fundamental problem related to RDF query processing is selectivity estimation, which is crucial to query optimization for determining a join order of RDF triple patterns. In thi...
Hai Huang 0003, Chengfei Liu
SIGMOD
2001
ACM
124views Database» more  SIGMOD 2001»
16 years 4 months ago
Query Optimization In Compressed Database Systems
Over the last decades, improvements in CPU speed have outpaced improvements in main memory and disk access rates by orders of magnitude, enabling the use of data compression techn...
Zhiyuan Chen, Johannes Gehrke, Flip Korn