Semantic Sequential Query Expansion for Biomedical Article Search

The conventional sequential dependence model (SDM) has been proved to perform better than the bag of words model for biomedical article search because it pays attention to the sequence information within queries. Meanwhile, introducing lexical semantic relations into query expansion becomes a hot to...

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Main Authors: Fan Fang, Bo-Wen Zhang, Xu-Cheng Yin
Format: Article
Language:English
Published: IEEE 2018-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/8424166/
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author Fan Fang
Bo-Wen Zhang
Xu-Cheng Yin
author_facet Fan Fang
Bo-Wen Zhang
Xu-Cheng Yin
author_sort Fan Fang
collection DOAJ
description The conventional sequential dependence model (SDM) has been proved to perform better than the bag of words model for biomedical article search because it pays attention to the sequence information within queries. Meanwhile, introducing lexical semantic relations into query expansion becomes a hot topic in IR research. However, a few research have been conducted on combining semantic and sequence information together. Hence, we propose the semantic sequential dependence model in this paper, which provides an innovative combination of semantic information and the conventional SDM. Specifically, our synonyms are obtained automatically through the word embeddings which are trained on the domain-specific corpus by selecting an appropriate language model. Then, these synonyms are utilized to generate possible sequences with the same semantics as the original query and these sequences are fed into SDM to obtain the final retrieval results. The proposed approach is evaluated on 2016 and 2017 BioASQ benchmark test sets and the experimental results show that our query expansion approach outperforms the baseline and other participants in the BioASQ competitions.
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spelling doaj.art-a11f7052ef6f4a799a5f8647208d85e22022-12-21T18:18:26ZengIEEEIEEE Access2169-35362018-01-016454484545710.1109/ACCESS.2018.28618698424166Semantic Sequential Query Expansion for Biomedical Article SearchFan Fang0https://orcid.org/0000-0003-0382-1990Bo-Wen Zhang1Xu-Cheng Yin2Department of Computer Science, University of Science and Technology Beijing, Beijing, ChinaDepartment of Computer Science, University of Science and Technology Beijing, Beijing, ChinaDepartment of Computer Science, University of Science and Technology Beijing, Beijing, ChinaThe conventional sequential dependence model (SDM) has been proved to perform better than the bag of words model for biomedical article search because it pays attention to the sequence information within queries. Meanwhile, introducing lexical semantic relations into query expansion becomes a hot topic in IR research. However, a few research have been conducted on combining semantic and sequence information together. Hence, we propose the semantic sequential dependence model in this paper, which provides an innovative combination of semantic information and the conventional SDM. Specifically, our synonyms are obtained automatically through the word embeddings which are trained on the domain-specific corpus by selecting an appropriate language model. Then, these synonyms are utilized to generate possible sequences with the same semantics as the original query and these sequences are fed into SDM to obtain the final retrieval results. The proposed approach is evaluated on 2016 and 2017 BioASQ benchmark test sets and the experimental results show that our query expansion approach outperforms the baseline and other participants in the BioASQ competitions.https://ieeexplore.ieee.org/document/8424166/Sequential dependence modelsemantic query expansionsemantic sequential dependence modelword embedding
spellingShingle Fan Fang
Bo-Wen Zhang
Xu-Cheng Yin
Semantic Sequential Query Expansion for Biomedical Article Search
IEEE Access
Sequential dependence model
semantic query expansion
semantic sequential dependence model
word embedding
title Semantic Sequential Query Expansion for Biomedical Article Search
title_full Semantic Sequential Query Expansion for Biomedical Article Search
title_fullStr Semantic Sequential Query Expansion for Biomedical Article Search
title_full_unstemmed Semantic Sequential Query Expansion for Biomedical Article Search
title_short Semantic Sequential Query Expansion for Biomedical Article Search
title_sort semantic sequential query expansion for biomedical article search
topic Sequential dependence model
semantic query expansion
semantic sequential dependence model
word embedding
url https://ieeexplore.ieee.org/document/8424166/
work_keys_str_mv AT fanfang semanticsequentialqueryexpansionforbiomedicalarticlesearch
AT bowenzhang semanticsequentialqueryexpansionforbiomedicalarticlesearch
AT xuchengyin semanticsequentialqueryexpansionforbiomedicalarticlesearch