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The research of query expansion based on medical terms reweighting in medical information retrieval

Lijuan Diao, Hong Yan, Fuxue Li, Shoujun Song, Guohua Lei, Feng Wang
2018 EURASIP Journal on Wireless Communications and Networking  
Aiming at the importance of medical terms, a method of query reformulation based on medical term reweighting is proposed to improve the performance of EMR retrieval.  ...  How to effectively retrieve electronic medical record has become a hot issue in the field of information retrieval.  ...  Acknowledgements The research presented in this paper was supported by Binzhou Medical University, Yantai, China; Yingkou Institute of Technology, Yingkou, China; Affiliated Hospital of Binzhou Medical  ... 
doi:10.1186/s13638-018-1124-3 fatcat:l5gfrmajovccfj3agwk3v66tgi

Evaluation of Term Ranking Algorithms for Pseudo-Relevance Feedback in MEDLINE Retrieval

Sooyoung Yoo, Jinwook Choi
2011 Healthcare Informatics Research  
Methods: A number of query expansion algorithms were tested using various term ranking formulas, focusing on query expansion based on pseudo-relevance feedback.  ...  In a pseudo-relevance feedback framework, effective query expansion would be achieved by the careful consideration of term ranking and re-weighting algorithm pairs, at least in the context of the OHSUMED  ...  Acknowledgements This work was supported in part by the Advanced Biomedical Research Center (ABRC) funded by KOSEF and in part by the National Research Foundation of Korea (NRF) grant, which was funded  ... 
doi:10.4258/hir.2011.17.2.120 pmid:21886873 pmcid:PMC3155169 fatcat:o4xqvp7udvgkza3m2lrzgldzii

On the query reformulation technique for effective MEDLINE document retrieval

Sooyoung Yoo, Jinwook Choi
2010 Journal of Biomedical Informatics  
Focusing on a query expansion technique based on pseudo-relevance feedback (PRF), this paper addresses the problem by systematically examining the effects of expansion term selection and adjustment of  ...  Implementing a baseline information retrieval system based on the Okapi BM25 retrieval model, we compared six well-known term ranking algorithms for useful expansion term selection and then compared traditional  ...  With the focus on automatic query expansion based on the top retrieved documents, various approaches to select the best terms for query expansion have been suggested in the information retrieval field  ... 
doi:10.1016/j.jbi.2010.04.005 pmid:20394839 fatcat:p4yxy57hwncydllajtv42cvehm

Using the weighted keyword model to improve information retrieval for answering biomedical questions

Hong Yu, Yong-Gang Cao
2009 Summit on translational bioinformatics  
We then report on a linear model that assigns query weights based on their automatically identified semantic roles: topic keywords, domain specific terms, and their synonyms.  ...  Information retrieval systems that can provide immediate and relevant answers to these questions can be invaluable aids to the practice of evidence-based medicine.  ...  Yu supervised the project and wrote the paper; Cao performed the experiments and built AskHERMES; Bennett provided the judgment of the AskHERMES' outputs.  ... 
pmid:21347188 pmcid:PMC3041568 fatcat:5ehyqpvvozh2pcn63cdtjcnjru

A Comparison of Local Analysis, Global Analysis and Ontology-based Query Expansion Strategies for Bio-medical Literature Search

Xuheng Xu, Weizhong Zhu, Xiaodan Zhang, Xiaohua Hu, Il-Yeol Song
2006 2006 IEEE International Conference on Systems, Man and Cybernetics  
We believe the principles of the term re-weighting strategy and LSI-based local analysis may be extended and utilized in other bio-medical domains.  ...  The experimental results show that (1) ontology-based term re-weighting provides the best results among the three query expansion strategies, (2) expanding the initial query with more precise ontology-based  ...  The algorithm of expanding the query terms based on LSI or AR algorithm is described in the following: Step 1: Obtain a term matrix based on the top N (in our experiment, N=300) retrieved documents for  ... 
doi:10.1109/icsmc.2006.384651 dblp:conf/smc/XuZZHS06 fatcat:ddxzbcd2ovd5tkyy5yzo7ft2fm

A Survey of Query Expansion Methods to Improve Relevant Search Engine Results

Nuhu Yusuf, Mohd Amin Mohd Yunus, Norfaradilla Wahid, Aida Mustapha, Mohd Najib Mohd Salleh
2021 International Journal on Advanced Science, Engineering and Information Technology  
It focuses only on the query expansion in text retrieval of search engines.  ...  The increased amount of information stored in a search engine database requires the use of query expansion.  ...  Advances in reweighting query terms for no retrieve terms in a document helped the query expansion field of research.  ... 
doi:10.18517/ijaseit.11.4.8868 fatcat:uljsx37ckrfjjljnxft27lqfsq

Query Expansion using Semantic Network for Information Retrieval in Telugu Language

2019 International journal of recent technology and engineering  
In Query expansion, if the added query term is an ambiguous word, accuracy of relevant documents will be very less.  ...  Query expansion techniques will better the performance of the information retrieval system. Our proposed query expansion technique is Word Sense Disambiguation.  ...  Our proposed method is query expansion, determining the sense of the query term for information retrieval on Telugu Text corpus.  ... 
doi:10.35940/ijrte.b1586.078219 fatcat:sddyynudvrcmvne5eufp4d6jhm

Review of Methods in TREC from 1992 to 2014

Kalpana Khandale, Maheshkumar B., C. Namrata
2016 International Journal of Computer Applications  
The Text REtrieval Conferences (TRECs) are a series of workshops that encourage research in information retrieval from realistic applications by providing large test collections, uniform scoring procedures  ...  The goals the judging procedure of TREC are mentioned for understanding the importance & compounds involved in text retrieval in real time applications.  ...  TREC-6, 7, 8, 9, 10: Contributed a lot in the improvement based on automatic query generation.  ... 
doi:10.5120/ijca2016907938 fatcat:ibtvcqhmbjcv7jjs4vgz7y2ium

Retrieving Medical Literature for Clinical Decision Support [chapter]

Luca Soldaini, Arman Cohan, Andrew Yates, Nazli Goharian, Ophir Frieder
2015 Lecture Notes in Computer Science  
This search task is atypical as the queries are medical case reports, which differs in terms of size and structure from queries in other, more common search tasks.  ...  We apply query reformulation techniques to address literature search based on case reports.  ...  Acknowledgments This work was partially supported by the US National Science Foundation through grant CNS-1204347.  ... 
doi:10.1007/978-3-319-16354-3_59 fatcat:l6xj7s5z6nh5jabavaawlbnpti

Query Expansion Techniques for Information Retrieval: a Survey [article]

Hiteshwar Kumar Azad, Akshay Deepak
2017 arXiv   pre-print
QE -- as part of information retrieval (IR) -- has long attracted researchers' attention.  ...  To overcome this, query expansion (QE) plays a crucial role in improving the Internet searches, where the user's initial query is reformulated to a new query by adding new meaningful terms with similar  ...  Utilization of data sources as knowledge bases in information retrieval is still an open problem because most of the prior research focuses on the construction of knowledge bases rather than their utilization  ... 
arXiv:1708.00247v1 fatcat:42st2xre5ndejggyo7ighn2yau

An adaptive evidence weighting method for medical record search

Dongqing Zhu, Ben Carterette
2013 Proceedings of the 36th international ACM SIGIR conference on Research and development in information retrieval - SIGIR '13  
the same department) of a patient.  ...  Furthermore, we explore several informative features for learning our retrieval model.  ...  To promote research on medical information retrieval, particularly for EMR retrieval, the Text REtrieval Conference (TREC) organized a Medical Records track in 2011 and 2012 [11, 10] .  ... 
doi:10.1145/2484028.2484175 dblp:conf/sigir/ZhuC13 fatcat:pcd5rdvf7fab7dxij5yvnn5iqu

Automatic Term Reweighting for Query Expansion

Reuben Crimp, Andrew Trotman
2017 Proceedings of the 22nd Australasian Document Computing Symposium on - ADCS 2017  
Instead of appending the new terms directly to the original query, we merge the term frequencies with the original query term. is reduces the impact of spurious expansion terms being over represented in  ...  Using expansion terms obtained from general purpose thesauri, we found that reweighting through term frequency merging is more e ective than standard query expansion.  ...  ACKNOWLEDGEMENTS We thank the ADCS for providing an international travel grant.  ... 
doi:10.1145/3166072.3166074 dblp:conf/adcs/CrimpT17 fatcat:uwupazgykvdyhfdzawgcxadari

Assessing thesaurus-based query expansion using the UMLS Metathesaurus

W Hersh, S Price, L Donohoe
2000 Proceedings. AMIA Symposium  
Thesaurus-based query expansion causes a decline in retrieval performance generally but improves it in specific instances.  ...  All types of query expansion degraded aggregate retrieval performance as measured by recall and precision, although 38.6% of the queries with synonym expansion and up to 29.7% of the queries with hierarchical  ...  Acknowledgements This work was supported by grants DE-FG03-94ER61918 from the Department of Energy and LM063 11 from the National Library of Medicine.  ... 
pmid:11079902 pmcid:PMC2244120 fatcat:t6mx2ex3tja25djfci6z2vrjji

Information Retrieval by Semantic Similarity

Angelos Hliaoutakis, Giannis Varelas, Epimenidis Voutsakis, Euripides G.M. Petrakis, Evangelos Milios
2006 International Journal on Semantic Web and Information Systems (IJSWIS)  
The most effective semantic similarity method is implemented into SSRM. SSRM has been applied in retrieval on OHSUMED (a standard TREC collection available on the Web).  ...  We investigate approaches to computing the semantic similarity between natural language terms (using WordNet as the underlying reference ontology) and between medical terms (using the MeSH ontology of  ...  Image Retrieval on the Web: Searching for effective methods to retrieve information from the Web has been in the center of many research efforts during the last few years.  ... 
doi:10.4018/jswis.2006070104 fatcat:txa6cg4rwnejdgpkuw7giq3nf4

A New Biomedical Passage Retrieval Framework for Laboratory Medicine: Leveraging Domain-specific Ontology, Multilevel PRF, and Negation Differential Weighting

Keejun Han, Hyoeun Shim, Mun Y. Yi
2018 Journal of Healthcare Engineering  
Clinical decision support (CDS) search is performed to retrieve key medical literature that can assist the practice of medical experts by offering appropriate medical information relevant to the medical  ...  To evaluate the effectiveness of the proposed framework, we followed the standard information retrieval evaluation procedure.  ...  further. ose terms are then reweighted by its extent of medical context measured through global-level query expansion. is combinatory approach relieves the effect of query drifting by lessening the possibility  ... 
doi:10.1155/2018/3943417 pmid:30675333 pmcid:PMC6323463 fatcat:diyx7wyfgre7feemjasxdzo57q
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