Manabu Ohta

Research output

Research output per year 1997 2003 2004 2005 2010 2012 2014 2021

• 30 Conference contribution
• 25 Article
• 2 Paper
• 2 Conference article
• 1 More
  • 1 Chapter

Research output per year

Research output per year

Search results

• 2021

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

  Ohta, M., Yamada, R., Kanazawa, T. & Takasu, A., Aug 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).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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

  A cell-detection-based table-structure recognition method

  Ohta, M., Yamada, R., Kanazawa, T. & Takasu, A., Sept 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).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Experiments 100%
  8 Citations (Scopus)
• 2018

  An approach to estimating cited sentences in academic papers using Doc2vec

  Tanabe, S., Takasu, A., Ohta, M. & Adachi, J., Sept 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).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • 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., Sept 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).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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

• Japanese sentiment analysis using simple alignment sentence classification

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

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • 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., Jun 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).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Conditional Random Fields 100%
  • Bibliographies 70%
  • Transfer Learning 42%
  • Active Learning 39%
  • Digital Libraries 37%
  1 Citation (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).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Conditional Random Fields 100%
  • Bibliographies 70%
  • Digital libraries 33%
  • Metadata 27%
  • Digital Libraries 25%
  5 Citations (Scopus)

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

  Tanijiri, J., Ohta, M., Takasu, A. & Adachi, J., Sept 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).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • User interfaces 100%
  • Display devices 86%
  • Experiments 40%
  2 Citations (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).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • 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).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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

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

  Ohta, M., Arauchi, D., Takasu, A. & Adachi, J., Jan 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).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Bibliographies 100%
  • Labels 33%
  • Experiments 28%
  4 Citations (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).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • 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).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Sampling 100%
  • Set theory 91%
  2 Citations (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).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Bibliographies 100%
  • Linguistics 37%
  • Labels 33%
  6 Citations (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).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Bibliographies 100%
  • Labeling 76%
  • Error detection 34%
  • Optical character recognition 18%
  • Labels 13%
  1 Citation (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).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Conditional Random Fields 100%
  • Error Detection 86%
  • Parsing 79%
  • Bibliographies 75%
  • Error detection 65%
  2 Citations (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).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Experiments 100%
  19 Citations (Scopus)
• 2010

  A prediction search based on changes of queries and search results

  Ohta, M. & Fujita, R., Dec 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).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • 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., Dec 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).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Glossaries 100%
  • Rating 50%
  • Blogs 30%
  • Marketing Research 26%
  • Word-of-mouth 25%
  2 Citations (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).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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

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

  Ohta, M., Hachiki, T. & Takasu, A., Nov 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).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Digital libraries 100%
  • Websites 47%
  1 Citation (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).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Conditional Random Fields 100%
  • Labeling 54%
  • Optical character recognition 33%
  • Labels 23%
  • Digital libraries 16%
  7 Citations (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).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Digital libraries 100%
  • Optical character recognition 49%
  • Hidden Markov models 41%
  • Metadata 40%
  • Labeling 40%
  7 Citations (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).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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

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

  Yokoyama, S., Ohta, M., Katayama, K. & Ishikawa, H., Dec 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).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Labeling 100%
  • XML 99%
  • Access control 96%
  4 Citations (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).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • 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., Jan 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).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Mining 100%
  • Schema 91%
  • XML 77%
  • Statistics 60%
  • Tables 53%
  3 Citations (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).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Earth (planet) 100%
  2 Citations (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., Jan 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).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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

  Reduction of expanded search terms for fuzzy English-text retrieval

  Ohta, M., Takasu, A. & Adachi, J., Jan 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).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Text Retrieval 100%
  • Retrieval 66%
  • Term 28%
  • Character 24%
  • Digital libraries 21%
  1 Citation (Scopus)