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» Query expansion using random walk models
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IIR
2010
13 years 11 months ago
An Ontological Representation of Documents and Queries for Information Retrieval Systems
This paper presents a vector space model approach, for representing documents and queries, using concepts instead of terms and WordNet as a light ontology. This way, information o...
Mauro Dragoni, Célia da Costa Pereira, Andr...
KDD
2009
ACM
305views Data Mining» more  KDD 2009»
14 years 10 months ago
Grocery shopping recommendations based on basket-sensitive random walk
We describe a recommender system in the domain of grocery shopping. While recommender systems have been widely studied, this is mostly in relation to leisure products (e.g. movies...
Ming Li, M. Benjamin Dias, Ian H. Jarman, Wael El-...
CORR
2012
Springer
272views Education» more  CORR 2012»
12 years 5 months ago
Fast and Exact Top-k Search for Random Walk with Restart
Graphs are fundamental data structures and have been employed for centuries to model real-world systems and phenomena. Random walk with restart (RWR) provides a good proximity sco...
Yasuhiro Fujiwara, Makoto Nakatsuji, Makoto Onizuk...
ACL
2010
13 years 7 months ago
Event-Based Hyperspace Analogue to Language for Query Expansion
Bag-of-words approaches to information retrieval (IR) are effective but assume independence between words. The Hyperspace Analogue to Language (HAL) is a cognitively motivated and...
Tingxu Yan, Tamsin Maxwell, Dawei Song, Yuexian Ho...
CSE
2009
IEEE
14 years 1 months ago
Social Tagging in Query Expansion: A New Way for Personalized Web Search
Social networks and collaborative tagging systems are rapidly gaining popularity as primary means for sorting and sharing data: users tag their bookmarks in order to simplify infor...
Claudio Biancalana, Alessandro Micarelli