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Faculty

Full-time Faculty

SEKINO Tatsuki Office of Digital Resources, Publications, and Public Information
Specialized Field(s) Informatics
Current Research Themes I conduct research and development for visualization and analysis of information based on time. Results of this research are made available to the public in the form of the time information system HuTime, Web applications, and basic data for dealing with dates in the Japanese calendar.
Keywords for Research Time Information Science, Semantic Web, Calendar

Education

1991
B., Sci., Shinshu University
1993 M., Sci., Shinshu University
1998 D., Sci., Kyoto University

Professional Experience

1999 COE Scientist, Center for Ecological Research, Kyoto University
2001
Researcher, International Lake Environmental Committee Foundation
2002 Associate Professor, Research Institute for Humanity and Nature
2016
Professor, Research Institute for Humanity and Nature
2018 Professor, Office of Digital Resources, Publications, and Public Information, International Research Center for Japanese Studies

Degree(s)

1998 D.Sci., Kyoto University

Personal web page

Tatsuki Sekino
http://sekino.hutime.jp/

Achievements

Co-authored Books
  • ・ （分担執筆）国立歴史民俗博物館編, 『〈総合資料学〉の挑戦 異分野融合研究の最前線』, 「コンピューターによる時間情報の記述と活用」, 吉川弘文館, 東京都文京区, 2017年03月
    （ National Museum of Japanese History ed., Sougou shiryo gaku no chosen ibun-yayugokenkyuno saizensen, Computer niyoru jikanjohono kijyutsu to katsuyo, Yoshikawa Kobunkan, Tokyo, March 2017 ）
  • ・ （監修・分担執筆）, 『フィールドから考える地球の未来』, 昭和堂, 京都市左京区, 2016年04月
    （ Field kara kangaeru chikyuno mirai, Syowado, Kyoto, April 2016 ）
  • ・ （分担執筆）秋道智彌・小松和彦・中村康夫編, 『水と環境. 人と水』, 「時間情報に基づく情報の収集と解析」, 勉誠出版, 東京都千代田区, 2010年02月
    （ Akimichi, T. et al. eds., Mizu to Kankyo, Hito to Mizu, Jikanjyoho ni motoduku jyohono syusyuto kaiseki, Bensei, Tokyo, February 2010 ）
Articles
  • ・ Description and Temporal Positioning of Historical Events and Periods by Using Links Between Temporal Resources, Proceedings of the 2022 Pacific Neighborhood Consortium Annual Conference and Joint Meetings (PNC), IEEE, December 2022, pp.1-6
  • ・ 「HuTimeプロジェクトにおける中国暦基盤データの構築」, 『情報処理学会シンポジウムシリーズ じんもんこん 2022 論文集』, 情報処理学会, 2022年12月, pp.241-248
  • ・ Refinement of uncertain temporal data based on relations between time intervals, Proceedings of the 2021 Pacific Neighborhood Consortium Annual Conference and Joint Meetings (PNC), IEEE, January 2022
  • ・ 「期間同士の関係に基づくあいまいな時間データの精緻化」, 『情報処理学会シンポジウムシリーズ じんもんこん 2021 論文集』, 情報処理学会, 2021年12月, pp.2-9
  • ・ 「HuTime を使った年表・時系列グラフの共有」, 『情報処理学会シンポジウムシリーズ じんもんこん 2020 論文集』, 情報処理学会, 2020年12月, pp.101-106
Show all Achievements 折り畳み用アイコン
  • ・ 「あいまいな時間の処理」, 浅見泰司、薄井宏行編著『あいまいな時空間情報の分析』, 古今書院, 2020年12月, pp.100-110
  • ・ Time Information System, HuTime - A Visualization and Analysis Tool for Chronological Information of Humanities, Proceedings of Digital Humanities Conference 2020 (DH2020), Digital Humanities Conference 2020, July 2020, p.1
  • ・ Data description and retrieval using periods represented by uncertain time intervals, Journal of Information Processing 28, 情報処理学会, February 2020, pp.91-99
  • ・ 「時間名による時間参照基盤の構築−Linked Dataを用いた期間の記述とリソース化」, 『情報処理学会シンポジウムシリーズ じんもんこん 2019論文集』, 2019年12月, pp.267-272
  • ・ HuTime Ontology to Represent Uncertain Time Intervals, Proceedings of Workshop "Ontologies for Linked Data in the Humanities", Digital Humanities Conference 2019, July 2019
  • ・ Using Uncertain Time Intervals in Linked Data, International Journal of Geoinformatics 15(2), June 2019, pp.15-23
  • ・ Representation and comparison of uncertain temporal data based on duration, Proceedings of 2018 Pacific Neighborhood Consortium Annual Conference and Joint Meetings (PNC), October 2018, pp.58-63
  • ・ Basic linked data resource for temporal information, Proceedings of the 2017 Pacific Neighborhood Consortium Annual Conference and Joint Meetings (PNC), November 2017, pp.76-82
  • ・ Time Information System Web HuTime: Comparison with Existing Web Applications, Journal of Asian Network for GIS-based Historical Studies, December 2016, pp.62-69
  • ・ Time Information System on the Web, Proceedings of ANGIS Taipei Meeting 2015, December 2015
  • ・ 「明治以降の「旧暦」のデータベース化」, 『情報処理学会研究報告人文科学とコンピュータ（CH）』2015-CH-107(1), 2015年08月, pp.1-4
    （ Database of Lunisolar Calendar after Meiji Era in Japan, IPSJ SIG Technical Report 2015-CH-107(1), August 2015, pp.1-4 ）
  • ・ Tools and basic data for temporal information analysis, Proceedings of ANGIS and CRMA Bangkok meeting 2015, January 2015, pp.55-58
  • ・ Tools to Realize Spatiotemporal Analysis in the Humanities, Proceedings of GIS in the Humanities and Social Sciences International Conference, October 2009, pp.151-159
  • ・ 「琵琶湖の水環境の時間に基づく情報解析」, 『東南アジア研究』46(4), 2009年, pp.593-607
    （ An Experimental Information Analysis Based on Temporal Data: Water-level Fluctuation in Lake Biwa, Japan, Southeast Asian Studies 46(4), 2009, pp.593-607 ）
  • ・ Recent trends in organic matter studies in freshwater environments, Lipids in plankton. Jpn. J. Limnol. In S. Nakano ed. 60, 1999, pp.107-118
Co-authored Articles
  • ・ Siqi Peng, Akihiro Yamamoto, Shinsuke Mori, Tatsuki Sekino, Event Time Extraction from Japanese News Archives, Proceedings of 2022 IEEE International Conference on Big Data (Big Data), January 2023, pp.2556-2564
  • ・ Hara, S. and Sekino, T., Digital Gazetteer as a Knowledgebase for Open Data Science, International Journal of Geoinformatics 15(2), June 2019, pp.1-14
  • ・ Sekino, T. and Yamada T., Interpretation of character strings expressing date and conversion of calendar – Toward construction of integrated base of calendars, IPSJ Symposium Series 2013(4), December 2013, pp.161-166, en
  • ・ Sekino T., M. Nakamura, T. Ballatore, V. Muhandiki, Knowledge-Base System for Lake Basin Management, Proceedings of 12Th World Lake Conference, 2008, pp.2263-2268
  • ・ Sekino, T., Genkai-Kato, M., Kawabata, Z., Melnik, N.G., Logacheva, N.P., Belykh, O.I., Obolkina, L.A., Bondarenko, N.A., Tamara V. Khodzher, T.V., Gorbunova, L.A., Tanichev, A.I., Yoshida, T., Kagami, M., Gurung, T.B., Urabe, J., Higashi, M. and Nakanishi, M., Role of phytoplankton size distribution in lake ecosystems revealed by a comparison of the whole plankton community structure between Lakes Baikal and Biwa, Limnology 8, 2007, pp.227-232
Show all Achievements 折り畳み用アイコン
  • ・ Sekino, T. and Nakamura, M., Application of knowledge management to environmental management projects: A case study for lake management, Lakes Reserv 11, 2006, pp.97-102
  • ・ Urabe, J., Sekino, T., Hayami, Y., Tsujimura, S., Kumagai, M., Boldgiv, B. and Goulden, C.E., Some biological and chemical characteristics of Lake Hӧvsgӧl, C.E. Goulden, T. Sitnikova, J. Gelhaus and B. Boldgiv (ed.) The Geology, Biodiversity and Ecology of Lake Hӧvsgӧl (Mongolia), Backhuys, Leiden, 1 2005, pp.387-402
  • ・ Hayami, Y., Kumagai, M., Sekino, T., Tsujimura, S. and Urabe, J., Review of some physical processes in Lake Hӧvsgӧl, C.E. Goulden, T. Sitnikova, J. Gelhaus and B. Boldgiv (ed.) The Geology, Biodiversity and Ecology of Lake Hӧvsgӧl (Mongolia), Backhuys, Leiden, 1 2005, pp.115-124
  • ・ Kumagai, M., Urabe, J., Goulden, C.E., Soninkhishig, N., Hayakawa, K., Tsujimura, S., Ishikawa, K., Hadbaatar, D., Hayami, Y., Sekino, T. and Maruo, M., Recent rise in water level at Lake Hӧvsgӧl in Mongolia, C.E. Goulden, T. Sitnikova, J. Gelhaus and B. Boldgiv (ed.) he Geology, Biodiversity and Ecology of Lake Hӧvsgӧl (Mongolia), Backhuys, Leiden, 1 2005, pp.77-91
  • ・ Sekino, T. and Yoshioka, T., Diagrammatic representation of environmental monitoring data, Korean J. Limnol 38, 2005, pp.76-83
  • ・ Urabe, J, Yoshida, T., Gurung , T.B., Sekino, T., Tsugeki, N., Nozaki, K, Maruo, M., Nakayama, E. and Nakanishi, M., The production-to-respiration ratio and its implication in Lake Biwa, Japan, Ecol. Res. 20, 2005, pp.367-375
  • ・ Tsujimura, S., Kumagai, M., Urabe, J., Sekino, T., Hayami, Y. and Maruo, M., Effect of temperature and light on growth of planktonic green algae isolated from Lake Hövsgöl, Mongolia, Algological Studies 110, 2003, pp.81-89
  • ・ Ishida, Y., Nakanishi, O., Hirao, S., Tsuge, S., Urabe, J., Sekino, T., Nakanishi, M., Kimoto, T. and Ohtani, H., Direct analysis of lipids in single zooplankter individuals by matrix-assisted laser desorption/ionization mass spectrometry, Anal. Chem. 75, 2003, pp.4514-4518
  • ・ Yoshida, T, Sekino, T., Genkai-Kato, M., Logacheva, N.P., Bondarenko, N.A., Kawabata, Z., Khodzher, T.V., Melnik, N.G., Hino, S., Nozaki, K., Nishimura, Y., Nagata, T., Higashi, M. and Nakanishi, M., Seasonal dynamics of primary production in the pelagic zone of southern Lake Baikal, Limnology 4, 2003, pp.53-62
  • ・ Hayakawa, K., Sekino, T., Yoshioka, T., Murao, M. and Kumagai, M., Dissolved organic carbon and fluorescence in Lake Hovsgol: factors reducing humic content of the lake water, Limnology 4, 2003, pp.25-33
  • ・ Nakanishi, O., Ishida, Y., Hirao, S., Tsuge, S., Ohtani, H., Urabe, J., Sekino, T., Nakanishi, M. and Kimoto, T., Highly sensitive determination of lipid components including polyunsaturated fatty acids in individual zooplankters by one-step thermally assisted hydrolysis and methylation-gas chromatography in the presence of trimethylsulfonium hydroxide, J. Anal. Appl. Pyrolysis, 2003, pp.187-195
  • ・ Urabe, J., Elser, J.J., Kyle, M., Yoshida, T., Sekino, T., Kawabata, Z., Herbivorous animals can mitigate unfavourable ratios of energy and material supplies by enhancing nutrient recycling, Ecol. Lett. 5, 2002, pp.177-185
  • ・ Genkai-Kato, M., Sekino, T., Yoshida, T., Miyasaka, H., Khodzher, T.V., Belykh, O.A., Melnik, N.G., Kawabata, Z., Higashi, M. and Nakanishi, M., Nutritional diagnosis of phytoplankton in Lake Baikal, Ecol. Res. 17, 2002, pp.135-142
  • ・ Sekino, T. and Hanazato, T., Zooplankton, Saijo, Y. and Hayashi, H. (ed.) Lake Kizaki, Backhuys, Leiden, 2001, pp.301-312
  • ・ Urabe, J, Grung, T.K., Yoshida, T., Sekino, T. and Nakanishi, M., Diel changes in phagotrophy by Cryptomonas in Lake Biwa, Limnol. Oceanogr 45, 2000, pp.1558-1563
  • ・ Urabe, J, Sekino, T., Nozaki, K., Tsuji, A., Yoshimizu, C., Kagami, M., Koitabashi, T., Miyazaki, T. and Nakanishi, M., Light, nutrients and primary productivity in Lake Biwa: An evaluation of the current ecosystem situation, Ecol. Res. 14, 1999, pp.233-242
  • ・ Sekino, T. and Yamamura, N., Diel vertical migration of zooplankton: optimum migrating schedule based on energy accumulation, Evol. Ecol. 13, 1999, pp.267-282
  • ・ Nakanishi, M., Sekino, T., Tsuda, R., Kimoto, T. and Kumagai, M., A hypothesis on formation of subsurface chlorophyll maximum observed in September of 1994 in Lake Biwa. Jpn, J. Limnol. 60, 1999, pp.125-137
  • ・ Ishida, Y., Yokoi, H., Isomura, S., Ohtani, H., Tsuge, S., Sekino, T., Nakanishi, M. and Kimoto, T, Correlation analysis between fatty acid compositions of zooplankter individuals, fed on different phytoplankton species by means of pyrolysis-gas chromatography combined with on-line methylation, J. Chromatogr B 716, 1998, pp.39-45
  • ・ Ishida, Y., Ohtani, H., Tsuge, S., Sekino, T., Nakanishi, M. and Kimoto, T., Analysis of lipid components in zooplankter individuals by reactive pyrolysis-gas chromatography in the presence of organic alkali, Biol. Sci. Space 12, 1998, pp.131-135
  • ・ Nakanishi, M. and Sekino, T., Recent drastic changes in Lake Biwa. Bio-communities, with special attention to exploitation of the littoral zone, GeoJournal 40, 1997, pp.63-67
  • ・ Nakano, S., Nakanishi, M., Kumagai, M., Sekino, T., Okubo, K., Yokoyama, K., Tsuda, R., Kawabata, K., Takahashi, M. and Oliver, R. L., Does advection influence plankton life in Lake Biwa?, Verh. Internat. Verein. Limnol 26, 1997, pp.558-561
  • ・ Sekino, T., Nakanishi, M., Ishida, Y., Tsuge, S., Ohtani, H. and Kimoto, T., Inter- and intra-specific difference in fatty acid composition of freshwater crustacean zoo-plankters, Freshwater Biology 38, 1997, pp.611-618
  • ・ Ishida, Y., Tsuge, S., Ohtani, H., Sekino, T., Nakanishi, M. and Kimoto, T., Discriminative analysis of zooplankton individuals by pyrolysis-gas chromatography combined with on-line methylation, Analyst 121, 1996, pp.853-856
  • ・ Nakano, S., Seike, Y, Sekino, T., Okumura, M., Kawabata, K., Fujinaga, K., Nakanishi, M., Mitamura, O., Kumagai, M. and Hashitani, H., A rapid growth of Aulacoseira granulata (Bacillariophyceae) guring the typhoon season in the south basin of Lake Biwa, Japanese Journal of Limnology 57, 1996, pp.493-500
  • ・ Sekino, T. and Yoshioka, T., The relationship between nutritional condition and diel vertical migration of Daphnia galeata, Japanese Journal of Limnology 56, 1995, pp.145-150
Other Publications
Presentations, Symposiums, Lectures etc.
  • ・ (口頭（一般）), Description and Temporal Positioning of Historical Events and Periods by Using Links Between Temporal Resources, 2022 Pacific Neighborhood Consortium Annual Conference and Joint Meetings (PNC), Pacific Neighborhood Consortium (PNC), University of Arizona, Tucson, September 2022
  • ・ (口頭（一般）), Refinement of uncertain temporal data based on relations between time intervals, 2021 Pacific Neighborhood Consortium Annual Conference and Joint Meetings, Pacific Neighborhood Consortium, 中央研究院（Web併用）, September 2021
  • ・ HuTime Ontology as an extension of OWL-Time, 2019 Pacific Neighborhood Consortium Annual Conference and Joint Meetings, Nanyang Technological University, Singapore, 16 October 2019
  • ・ Basic information for temporal data of Japanese calendar, The 30th European Association of Japanese Resource Specialists Conference, European Association of Japanese Resource Specialists, Sofia University, Sofia, Bulgaria, 21 September 2019
  • ・ A Chronological Tool for Research Data Management (HuTime), 4th RsDA International Workshop, Pullman Khon Kaen Raja Orchid, Khon Kaen, Thailand, 22 July 2019
Show all Achievements 折り畳み用アイコン
  • ・ HuTime Ontology to Represent Uncertain Time Intervals, Digital Humanities Conference 2019, TivoliVredenburg, Utrecht, Netherlands, 8 July 2019
  • ・ Time information system HuTime / Processing of calendar periods in HuTime project, Digital Humanities for Japanese Culture: Resources and Methods, Digital Humanities Summer Institute, University of Victoria, Canada, 5 June 2019
  • ・ Available resources and their structure for basic temporal data, 2019 International Workshop on Spatiotemporal Knowledge, National Museum of Taiwan History, Tainan, Taiwan, 30 May 2019
  • ・ Old Maps Database of International Research Center for Japanese Studies, 2019 International Workshop on Spatiotemporal Knowledge, National Museum of Taiwan History, Tainan, Taiwan, 30 May 2019
  • ・ Representation and Comparison of Uncertain Temporal Data based on Duration, Pacific Neighborhood Consortium Annual Conference 2018, Fort Mason Center, San Francisco, USA, 29 October 2018
  • ・ HuTime Tutorial, The 3rd International Workshop on the Academic Asset Preservations and Sharing in Southeast Asia, INTEKMA Resort & Convention Center, Shah Alam, Slangor Darul Ehsan, Malaysia, 23 August 2018
  • ・ Linked open data about calendrical periods, Research Center for Humanities and Social Sciences, Academia Sinica, Taiwan, 24 May 2018
  • ・ Web API for HuTime, Research Center for Humanities and Social Sciences, Academia Sinica, Taiwan, 23 May 2018
  • ・ Basic linked data resource for temporal information. Pacific Neighborhood Consortium Annual Conference, The Magic School of Green Technologies, National Cheng Kung University, Tainan, Tiwan, 8 November 2017
  • ・ Temporal Information System HuTime, Workshop Schedule of Activities Updates on The Community Data Base System Healthy Communities Strengthening Section, Thai Health Promotion Foundation, AETAS Lumpini, Bangkok, 21 November 2016
  • ・ Academic asset of environmental science and related interdisciplinary studies, Workshop on the Academic Asset Preservations and Sharing in Southeast Asia, Pullman Bangkok Grande Sukhumvit, Bangkok, 20 November 2016
  • ・ Linked Data of Temporal Information, PNC 2016 Annual Conference and Joint Meetings, The Getty Center, Los Angeles, 16 August 2016
  • ・ Time Information System on the Web, PNC 2016 Annual Conference and Joint Meetings, The Getty Center, Los Angeles, 17 August 2016
  • ・ Time Information System on the Web, ANGIS Taipei Meeting 2015, Academia Sinica, Taiwan, 5 December 2015
  • ・ Spatiotemporal Data Management on Cultural Information, IWASTCS2015: International Workshop on Application of Science and Technology for Cultural Studies, Princess Maha Chakri Sirindhorn Anthropology Centre, Bangkok, 13 November 2015
  • ・ Semantic Web of Changes in Entities and their Causal Relationships, PNC 2015 Annual Conference, University of Macau, Macau, 28 September 2015
  • ・ Tools and basic data for temporal information analysis, ANGIS and CRMA Bangkok meeting 2015, Bangkok, 6 January 2015
  • ・ Linked Data of Time Basic Data, PNC 2014 Annual Conference, National Palace Museum, Taipei, Tiwan, 21 October 2014
  • ・ Spatiotemporal Concept and its Analysis Tools, Pre-Symposium of Kyoto University ASEAN Center (Bangkok Office) Opening Ceremony and Commemorative Symposium, Grand Millennium Sukhumvit, Bankok, 27 June 2014
  • ・ Time Information System HuTime and Realization of "Temporal Information Science", PNC 2013 Annual Conference and Joint Meetings, Kyoto University, 11 December 2013
  • ・ GT-Tools: Role of spatiotemporal information in resource sharing for the humanities, PNC 2013 Annual Conference and Joint Meetings, Kyoto University, 11 December 2013
  • ・ Basic Knowledge for Temporal Analysis, PNC 2013 Annual Conference, University of California, Berkeley, USA, 8 December 2012
  • ・ Application of Spatiotemporal Information Tools, The First International Conference of Asian Network for GIS-based Historical Studies (ANGIS), The University of Tokyo, 1 December 2012
  • ・ Integrated Knowledge for Temporal Analysis - Base Chronological Tables, Index of Events and Calendar Conversion, PNC 2011 Annual Conference, Bangkok, 19 October 2011
  • ・ Spatiotemporal analysis realized by HuMap and HuTime, PNC 2010 Annual Conference, City University of Hong Kong, 2 December 2010
  • ・ Tools to Realize Spatiotemporal Analysis in the Humanities, GIS in the Humanities and Social Sciences International Conference, Taipei, Tiwan, 7 October 2009
  • ・ Information analysis of various type of information based on temporal data, PNC 2008 Annual Conference in Conjunction with ECAI and JVGC, Ha Noi, Vietnam, 4 December 2008
  • ・ Knowledge-Base System for Lake Basin Management, 12th World Lake Conference, Jaipur, India, 28 December 2007
  • ・ Temporal Based Information System, PNC and ECAI 2007 Annual Conference, University of California, Berkeley, USA, 18 October 2007
  • ・ Diagrammatic arrangement method for presenting monitoring data, The First Korea-Japan Joint Symposium on Limnology, Pusan National University, Pusan, Korea, May 2004
  • ・ Toward applying monitoring data to interdisciplinary studies - an example in a RIHN research project, The First Korea-Japan Joint Symposium on Limnology, Pusan National University, Pusan, Korea, May 2004
Committees
  • ・ 情報処理学会, 論文誌ジャーナル 「人文科学とコンピュータ」特集号, 編集委員長, (2016年10月～2018年2月)
    （ Editor in-Chief, The Editorial Committee of the Special Issue of “Computer and Humanities”, (Oct. 2016 - Feb. 2018) ）
  • ・ 情報処理学会, 論文誌ジャーナル/JIP編集委員会委員, 知能グループ小委員会 主査・副査, (2015年6月～2018年5月)
    （ Chief Examiner / Deputy Chief Examiner, Intelligent Technology Group, The Editorial Committee of the Journal of Information Processing, (Jun. 2015 - May. 2018) ）
  • ・ Pacific Neighborhood Consortium, Steering Committee, (2013年12月～)
    （ Steering Committee, Pacific Neighborhood Consortium, (Dec. 2013 - ) ）
  • ・ 情報処理学会, 人文科学とコンピュータ研究会, 主査・幹事, (2009年4月～2015年3月)
    （ Chair / Secretary, IPSJ SIG Computers and the Humanities, Steering Committee, (Apr. 2009 - Mar. 2015) ）
Grants and Scholarships
  • ・ Apr. 1.2015 - Mar. 31.2019, Grant-in-Aid for Scientific Research (A), Semantic chronology ? Construction of infrastructure for visualization and utilization of knowledge along temporal axis
  • ・ Apr. 2011 - Mar. 2014, Grant-in-Aid for Scientific Research (B), Trying to accumulate and distribute time basic information - Construction of new environment for spatiotemporal information analysis
  • ・ Apr. 2007 - Mar. 2009, Grant-in-Aid for Scientific Research (C), Information extraction for lake basin management applying knowledge management technology
Awards
  • ・ 2015年12月, 情報処理学会人文科学とコンピュータ研究会, じんもんこん2015ベストポスター賞
    （ December 2015, Jinmoncom 2015 Best Poster Award, PSJ SIG Computers and the Humanities ）
  • ・ 2015年03月, 情報処理学会, 山下記念研究賞
    （ March 2015, Information Processing Society of Japan, IPSJ Yamashita SIG Research Award ）
Databases/Systems
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