Manabu Ohta

研究成果

年別の研究成果 1997 2003 2004 2005 2010 2012 2014 2021

• 30 Conference contribution
• 25 Article
• 2 Paper
• 2 Conference article
• 1 その他
  • 1 Chapter

年別の研究成果

年別の研究成果

検索結果

• 2021

  Table-structure recognition method using neural networks for implicit ruled line estimation and cell estimation

  Ohta, M., Yamada, R., Kanazawa, T. & Takasu, A., 8月 16 2021, DocEng 2021 - Proceedings of the 2021 ACM Symposium on Document Engineering. Association for Computing Machinery, Inc, 3469870. (DocEng 2021 - Proceedings of the 2021 ACM Symposium on Document Engineering).

  研究成果

  • Neural networks 100%
  • Merging 80%
  • Experiments 58%
• 2019

  A cell-detection-based table-structure recognition method

  Ohta, M., Yamada, R., Kanazawa, T. & Takasu, A., 9月 23 2019, Proceedings of the ACM Symposium on Document Engineering, DocEng 2019. Association for Computing Machinery, Inc, 3345412. (Proceedings of the ACM Symposium on Document Engineering, DocEng 2019).

  研究成果

  • Experiments 100%
  8 被引用数 (Scopus)
• 2018

  An approach to estimating cited sentences in academic papers using Doc2vec

  Tanabe, S., Takasu, A., Ohta, M. & Adachi, J., 9月 25 2018, MEDES 2018 - 10th International Conference on Management of Digital EcoSystems. Association for Computing Machinery, Inc, p. 118-125 8 p. (MEDES 2018 - 10th International Conference on Management of Digital EcoSystems).

  研究成果

  • Experiments 100%
  • experiment 82%
  • questionnaire survey 81%
  • Personnel 71%
  • labor 67%

• An automatic graph generation method for scholarly papers based on table structure analysis

  Yamada, R., Ohta, M. & Takasu, A., 9月 25 2018, MEDES 2018 - 10th International Conference on Management of Digital EcoSystems. Association for Computing Machinery, Inc, p. 132-140 9 p. (MEDES 2018 - 10th International Conference on Management of Digital EcoSystems).

  研究成果

  • XML 100%
  • experiment 81%
  • Experiments 73%
  • analysis 55%
  • method 45%
  1 被引用数 (Scopus)

• Japanese sentiment analysis using simple alignment sentence classification

  Niitsuma, H., Kubota, D. & Ohta, M., 9月 25 2018, MEDES 2018 - 10th International Conference on Management of Digital EcoSystems. Association for Computing Machinery, Inc, p. 126-131 6 p.

  研究成果

  • Sentiment analysis 100%
  • alignment 84%
  • Recurrent neural networks 62%
  • Text processing 37%
  • Convolutional neural networks 27%
• 2017

  CRF-based bibliography extraction from reference strings using a small amount of training data

  Namikoshi, D., Ohta, M., Takasu, A. & Adachi, J., 6月 28 2017, 2017 12th International Conference on Digital Information Management, ICDIM 2017. Institute of Electrical and Electronics Engineers Inc., p. 59-64 6 p. (2017 12th International Conference on Digital Information Management, ICDIM 2017; vol. 2018-January).

  研究成果

  • Conditional Random Fields 100%
  • Bibliographies 70%
  • Transfer Learning 42%
  • Active Learning 39%
  • Digital Libraries 37%
  1 被引用数 (Scopus)
• 2016

  Examination of effective features for CRF-based bibliography extraction from reference strings

  Matsuoka, D., Ohta, M., Takasu, A. & Adachi, J., 2016, 2016 11th International Conference on Digital Information Management, ICDIM 2016. Robles, R., Pichappan, P., Pichappan, P. & Tallon-Ballesteros, A. J. (eds.). Institute of Electrical and Electronics Engineers Inc., p. 243-248 6 p. 7829774. (2016 11th International Conference on Digital Information Management, ICDIM 2016).

  研究成果

  • Conditional Random Fields 100%
  • Bibliographies 70%
  • Digital libraries 33%
  • Metadata 27%
  • Digital Libraries 25%
  6 被引用数 (Scopus)

• Important word organization for support of browsing scholarly papers using author keywords

  Tanijiri, J., Ohta, M., Takasu, A. & Adachi, J., 9月 13 2016, DocEng 2016 - Proceedings of the 2016 ACM Symposium on Document Engineering. Association for Computing Machinery, Inc, p. 135-138 4 p. (DocEng 2016 - Proceedings of the 2016 ACM Symposium on Document Engineering).

  研究成果

  • User interfaces 100%
  • Display devices 86%
  • Experiments 40%
  2 被引用数 (Scopus)
• 2015

  Utilization of multiple sequence analyzers for bibliographic information extraction

  Takasu, A. & Ohta, M., 2015, Pattern Recognition Applications and Methods - 3rs International Conference, ICPRAM 2014, Revised Selected Papers. de Marsico, M., Fred, A. & Tabbone, A. (eds.). Springer Verlag, p. 222-236 15 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 9443).

  研究成果

  • Information Extraction 100%
  • Digital libraries 70%
  • Layout 67%
  • Digital Libraries 42%
  • Sampling 20%
• 2014

  Cost evaluation of CRF-based bibliography extraction from reference strings

  Kawakami, N., Ohta, M., Takasu, A. & Adachi, J., 2014, The Emergence of Digital Libraries - Research and Practices - 16th International Conference on Asia-Pacific Digital Libraries, ICADL 2014, Proceedings. Tuamsuk, K., Jatowt, A. & Rasmussen, E. (eds.). Springer Verlag, p. 268-278 11 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 8839).

  研究成果

  • Conditional Random Fields 100%
  • Bibliographies 75%
  • Digital libraries 71%
  • Training 62%
  • Bibliography 55%
  2 被引用数 (Scopus)

• Empirical evaluation of CRF-based bibliography extraction from reference strings

  Ohta, M., Arauchi, D., Takasu, A. & Adachi, J., 1月 1 2014, Proceedings - 11th IAPR International Workshop on Document Analysis Systems, DAS 2014. IEEE Computer Society, p. 287-292 6 p. 6831015. (Proceedings - 11th IAPR International Workshop on Document Analysis Systems, DAS 2014).

  研究成果

  • Bibliographies 100%
  • Labels 33%
  • Experiments 28%
  4 被引用数 (Scopus)

• Prototype system for visualizing review text using evaluative expression dictionaries

  Tanimoto, Y., Niitsuma, H. & Ohta, M., 2014, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). Springer Verlag, Vol. 8709 LNCS. p. 662-665 4 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 8709 LNCS).

  研究成果

  • Reputation 100%
  • Dictionary 77%
  • Prototype 69%
  • Glossaries 61%
  • Text 59%

• Rule management for information extraction from title pages of academic papers

  Takasu, A. & Ohta, M., 2014, ICPRAM 2014 - Proceedings of the 3rd International Conference on Pattern Recognition Applications and Methods. SciTePress, p. 438-444 7 p. (ICPRAM 2014 - Proceedings of the 3rd International Conference on Pattern Recognition Applications and Methods).

  研究成果

  • Sampling 100%
  • Set theory 91%
  2 被引用数 (Scopus)
• 2012

  CRF-based bibliography extraction from reference strings focusing on various token granularities

  Ohta, M., Arauchi, D., Takasu, A. & Adachi, J., 2012, Proceedings - 10th IAPR International Workshop on Document Analysis Systems, DAS 2012. p. 276-281 6 p. 6195378. (Proceedings - 10th IAPR International Workshop on Document Analysis Systems, DAS 2012).

  研究成果

  • Bibliographies 100%
  • Linguistics 37%
  • Labels 33%
  6 被引用数 (Scopus)

• Empirical evaluation of CRF F-based bibliography extraction from research papers

  Ohta, M., Inoue, R. & Takasu, A., 2012, Proceedings of the IADIS International Conference Information Systems 2012, IS 2012. Isaias, P., Rodrigues, L., Nunes, M. B. & Powell, P. (eds.). IADIS, p. 18-26 9 p. (Proceedings of the IADIS International Conference Information Systems 2012, IS 2012).

  研究成果

  • Bibliographies 100%
  • Labeling 76%
  • Error detection 34%
  • Optical character recognition 18%
  • Labels 13%
  1 被引用数 (Scopus)

• Error detection of CRF-based bibliography extraction from reference strings

  Ohta, M., Arauchi, D., Takasu, A. & Adachi, J., 2012, The Outreach of Digital Libraries: A Globalized Resource Network - 14th International Conference on Asia-Pacific Digital Libraries, ICADL 2012, Proceedings. p. 229-238 10 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 7634 LNCS).

  研究成果

  • Conditional Random Fields 100%
  • Error Detection 86%
  • Parsing 79%
  • Bibliographies 75%
  • Error detection 65%
  2 被引用数 (Scopus)
• 2011

  Related paper recommendation to support online-browsing of research papers

  Ohta, M., Hachiki, T. & Takasu, A., 2011, 4th International Conference on the Applications of Digital Information and Web Technologies, ICADIWT 2011. p. 130-136 7 p. 6041413. (4th International Conference on the Applications of Digital Information and Web Technologies, ICADIWT 2011).

  研究成果

  • Experiments 100%
  19 被引用数 (Scopus)
• 2010

  A prediction search based on changes of queries and search results

  Ohta, M. & Fujita, R., 12月 1 2010, Proceedings of the 4th International Conference on Ubiquitous Information Management and Communication, ICUIMC 10. p. 176-182 7 p. (Proceedings of the 4th International Conference on Ubiquitous Information Management and Communication ICUIMC 10).

  研究成果

  • Query 100%
  • Prediction 74%
  • Feedback 28%
  • Pseudo-relevance Feedback 26%
  • Google 14%

• A proposal of visualizing reputation using evaluative expression dictionaries

  Tanimoto, Y. & Ohta, M., 12月 1 2010, Proceedings of the 4th International Conference on Ubiquitous Information Management and Communication, ICUIMC 10. p. 339-346 8 p. (Proceedings of the 4th International Conference on Ubiquitous Information Management and Communication ICUIMC 10).

  研究成果

  • Glossaries 100%
  • Rating 50%
  • Blogs 30%
  • Marketing Research 26%
  • Word-of-mouth 25%
  2 被引用数 (Scopus)

• Empirical evaluation of active sampling for CRF-based analysis of pages

  Ohta, M., Inoue, R. & Takasu, A., 2010, 2010 IEEE International Conference on Information Reuse and Integration, IRI 2010. p. 13-18 6 p. 5558973. (2010 IEEE International Conference on Information Reuse and Integration, IRI 2010).

  研究成果

  • Conditional Random Fields 100%
  • Bibliographies 70%
  • Empirical Evaluation 64%
  • Sampling 57%
  • Optical character recognition 44%
  6 被引用数 (Scopus)
• 2009

  Using Web resources for support of online-browsing of research papers

  Ohta, M., Hachiki, T. & Takasu, A., 11月 17 2009, 2009 IEEE International Conference on Information Reuse and Integration, IRI 2009. p. 348-353 6 p. 5211577. (2009 IEEE International Conference on Information Reuse and Integration, IRI 2009).

  研究成果

  • Digital libraries 100%
  • Websites 47%
  1 被引用数 (Scopus)
• 2008

  Bibliographic element extraction from scanned documents using conditional random fields

  Ohta, M., Yakushi, T. & Takasu, A., 2008, 3rd International Conference on Digital Information Management, ICDIM 2008. p. 99-104 6 p. 4746745. (3rd International Conference on Digital Information Management, ICDIM 2008).

  研究成果

  • Conditional Random Fields 100%
  • Labeling 54%
  • Optical character recognition 33%
  • Labels 23%
  • Digital libraries 16%
  7 被引用数 (Scopus)

• CRF-based authors' name tagging for scanned documents

  Ohta, M. & Takasu, A., 2008, JCDL'08: Proceedings of the 8th ACM/IEEE-CS Joint Conference on Digital Libraries 2008. p. 272-275 4 p. (Proceedings of the ACM International Conference on Digital Libraries).

  研究成果

  • Digital libraries 100%
  • Optical character recognition 49%
  • Hidden Markov models 41%
  • Metadata 40%
  • Labeling 40%
  4 被引用数 (Scopus)
• 2007

  Authors' names extraction from scanned documents

  Ohta, M., Yamasaki, S., Yakushi, T. & Takasu, A., 2007, 2007 2nd International Conference on Digital Information Management, ICDIM. IEEE Computer Society, p. 67-72 6 p. 4444202. (2007 2nd International Conference on Digital Information Management, ICDIM; vol. 1).

  研究成果

  • Optical character recognition 100%
  • Hidden Markov models 84%
  • Hidden Markov Model (HMM) 68%
  • Digital libraries 50%
  • Labeling 40%
  2 被引用数 (Scopus)
• 2005

  An access control method based on the prefix labeling scheme for XML repositories

  Yokoyama, S., Ohta, M., Katayama, K. & Ishikawa, H., 12月 1 2005, Database Technologies 2005 - Sixteenth Australasian Database Conference, ADC 2005. p. 105-113 9 p. (Conferences in Research and Practice in Information Technology Series; vol. 39).

  研究成果

  • Labeling 100%
  • XML 99%
  • Access control 96%
  4 被引用数 (Scopus)

• Building a navigation structure from a fuzzy relationship for image retrieval

  Loisant, E., Ishikawa, H., Martinez, J., Ohta, M. & Katayama, K., 2005, Proceedings - International Workshop on Biomedical Data Engineering, BMDE2005. IEEE Computer Society, p. 1179 1 p. 1647785. (Proceedings - International Workshop on Biomedical Data Engineering, BMDE2005; vol. 2005).

  研究成果

  • Image retrieval 100%
  • Navigation 73%
  • User experience 31%
  • Feedback 20%
  • Experiments 11%

• On mining XML structures based on statistics

  Ishikawa, H., Yokoyama, S., Ohta, M. & Katayama, K., 1月 1 2005, Knowledge-Based Intelligent Information and Engineering Systems - 9th International Conference, KES 2005, Proceedings. Springer Verlag, p. 379-390 12 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 3681 LNAI).

  研究成果

  • Mining 100%
  • Schema 91%
  • XML 77%
  • Statistics 60%
  • Tables 53%
  3 被引用数 (Scopus)
• 2004

  Multi-vector feature space based on pseudo-Euclidean space and oblique basis for similarity searches of images

  Yamane, Y., Hoshiai, T., Tsuda, H., Katayama, K., Ohta, M. & Ishikawa, H., 2004, Proceedings of the 1st International Workshop on Computer Vision Meets Databases, CVDB 2004. p. 27-34 8 p. (ACM International Conference Proceeding Series; vol. 66).

  研究成果

  • Earth (planet) 100%
  2 被引用数 (Scopus)
• 2002

  An intelligent Web recommendation system: A Web usage mining approach

  Ishikawa, H., Nakajima, T., Mizuhara, T., Yokoyama, S., Nakayama, J., Ohta, M. & Katayama, K., 1月 1 2002, Foundations of Intelligent Systems - 13th International Symposium, ISMIS 2002, Proceedings. Hacid, M-S., Ras, Z. W., Zighed, D. A. & Kodratoff, Y. (eds.). Springer Verlag, p. 342-350 9 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 2366 LNAI).

  研究成果

  • Web Usage Mining 100%
  • Recommendation System 83%
  • User Model 54%
  • Recommender systems 47%
  • World Wide Web 46%
  8 被引用数 (Scopus)
• 1998

  Reduction of expanded search terms for fuzzy English-text retrieval

  Ohta, M., Takasu, A. & Adachi, J., 1月 1 1998, Research and Advanced Technology for Digital Libraries - 2nd European Conference, ECDL 1998, Proceedings. Nikolaou, C. & Stephanidis, C. (eds.). Springer Verlag, p. 619-633 15 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 1513).

  研究成果

  • Text Retrieval 100%
  • Retrieval 66%
  • Term 28%
  • Character 24%
  • Digital libraries 21%