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» Indexing time vs. query time: trade-offs in dynamic informat...
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WWW
2007
ACM
14 years 6 months ago
Dynamic personalized pagerank in entity-relation graphs
Extractors and taggers turn unstructured text into entityrelation (ER) graphs where nodes are entities (email, paper, person, conference, company) and edges are relations (wrote, ...
Soumen Chakrabarti
EDBT
2006
ACM
112views Database» more  EDBT 2006»
14 years 5 months ago
Indexing Shared Content in Information Retrieval Systems
Abstract. Modern document collections often contain groups of documents with overlapping or shared content. However, most information retrieval systems process each document separa...
Andrei Z. Broder, Nadav Eiron, Marcus Fontoura, Mi...
ICMCS
2006
IEEE
120views Multimedia» more  ICMCS 2006»
13 years 11 months ago
An Efficient Numeric Indexing Technique for Music Retrieval System
Space requirement for storing indexes and performance for query processing are two critical issues in music information retrieval (MIR) system. To overcome difficulties in variabl...
Chuan-Wang Chang, Hewijin Christine Jiau
AINA
2009
IEEE
13 years 3 months ago
Document-Oriented Pruning of the Inverted Index in Information Retrieval Systems
Searching very large collections can be costly in both computation and storage. To reduce this cost, recent research has focused on reducing the size (pruning) of the inverted ind...
Lei Zheng, Ingemar J. Cox
SIGIR
2012
ACM
11 years 7 months ago
To index or not to index: time-space trade-offs in search engines with positional ranking functions
Positional ranking functions, widely used in web search engines, improve result quality by exploiting the positions of the query terms within documents. However, it is well known ...
Diego Arroyuelo, Senén González, Mau...