pseudo-relevance feedback
Cross-lingual Pseudo Relevance Feedback Based on Weak Relevant Topic Alignment
... cross-lingual pseudo relevance feedback (PRF) model based on weak relevant topic alignment (WRTA) is proposed for cross language query expansion on unparallel web ...
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Query Expansion based on Pseudo Relevance Feedback from Definition Clusters
... Given this formula, if an original query term oc- curs among the expansion terms, its weight in the expanded query increases. For expansion terms which do not occur in the original query, qtf = 0. This formula has been ...
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Query Expansion Strategy based on Pseudo Relevance Feedback and Term Weight Scheme for Monolingual Retrieval
... using Pseudo Relevance Feedback is a useful and a popular technique for reformulating the ...from pseudo relevance feedback and by using tf-idf ...
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NPRF: A Neural Pseudo Relevance Feedback Framework for Ad hoc Information Retrieval
... for pseudo relevance feedback ...ultimate relevance score depends on both its interactions with the original query and its in- teractions with these feedback ...
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Exploring Pseudo-Relevance Feedback for Microblog Search
... This study explored the effectiveness of a classical information retrieval (IR) approach, pseudo-relevance feedback (PRF), on improving the performance of microblog search. Factors including number ...
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Structure Cognizant Pseudo Relevance Feedback
... We propose a structure cognizant frame- work for pseudo relevance feedback (PRF). This has an application, for ex- ample, in selecting expansion terms for general search from subsets such as ...
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Multilingual Pseudo Relevance Feedback: Performance Study of Assisting Languages
... since some function words like l’, d’ etc., occur as prefixes to a word, we strip them off during index- ing and query processing, since it significantly im- proves the baseline performance. We use standard evaluation ...
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Incorporating Semantic Word Representations into Query Expansion for Microblog Information Retrieval
... the pseudo-relevance feedback algorithm and the global analysis query expansion method by synthesizing their own advantages for se- lect the query expansion terms that can best express user’s ...
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University of Strathclyde at TREC HARD
... Overall, Pseudo-relevance feedback was found to be the best approach both on average, and across the each group and ...did Pseudo-relevance feed- back not perform ...as ...
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Improving video event retrieval by user feedback
... multiple feedback interactions are necessary because of the poor adaptability, flexibility and robustness of the original visual features; 2) positive and negative samples are treated equally, whereas the positive ...
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An Efficient Algorithm to Reduce the Semantic Gap between Image Contents and Tags
... Pseudo relevance feedback [5] [16] is an important technique for improving the accuracy of retrieval ...of pseudo-relevance feedback: assume a small number of top-ranked images ...
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Improving biomedical information retrieval with pseudo and explicit relevance feedback
... explicit relevance feedback had to be tested for all other combinations of parameters, the number of test cases would explode, resulting in very large amounts of time needed to run all test ...applying ...
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Enhance web search results using user feedback sessions
... R.. Jones, B. Rey, O. Madani and W. Greiner [2] proposed a method of generating query substitution of new query to replace the user’s original query. This technique uses modification based on query substitution. The new ...
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1. Comparative study for research in information retrieval
... Explicit relevance feedback is repeated until user is satisfied with ...technique Pseudo relevance feedback can be used which is implicit and assumes that top results have higher ...
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Prediction of relevant biomedical documents: a human microbiome case study
... using relevance feedback ...however, relevance feedback was either not used, or used in a very limited ...real relevance judgments, which were seen as too costly to ...with ...
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Biomedical Document Retrieval for Clinical Decision Support System
... Query Expansion (QE) is the process of reformu- lating a query to improve retrieval performance and efficiency of IR systems. QE is proved to be efficient in case of document retrieval (Carpineto and Romano, 2012). It ...
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APPROACH FOR NOVEL TECHNIQUE TO INFERRING USER SEARCH GOALS WITH CLUSTERING FEEDBACK SESSION
... future feedback sessions. User click-through logs are used to construct Feedback sessions and can well return the information needs of ...create pseudo-documents to represent the feedback ...
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Feedback relevance spaces: The organisation of increments in conversation
... positive feedback, thus moving A’s other-pointer, ♦, to the same node, grounding “the ...needs feedback from B to be grounded: divergence of pointer positions thus represents ‘forward momentum’ in ...and ...
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Relevance feedback for cross language image retrieval
... Sanderson, M. and Clough, P. (2004) Relevance feedback for cross language image retrieval. In: Advances in Information Retrieval : 26th European Conference on IR Research, ECIR 2004, Sunderland, UK, April ...
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Patient experience feedback in UK hospitals: What types are available and what are their potential roles in quality improvement (QI)?
... extent. Feedback collection is initi‐ ated by staff but in striking contrast to surveys (which cover issues deemed important to organizations about their service delivery) qualitative methods are used in ways ...
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