Kazuki Fujikawa

Data Scientist / Software Engineer

Hi, I'm Kazuki Fujikawa, a data scientist / software engineer at DeNA. My research interests include machine learning, natural language processing, and data mining.
[profile]

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Publication

JOURNAL PAPERS

Kazuki Fujikawa, Kazuhiro Seki, and Kuniaki Uehara.
NegFinder: A Web Service for Identifying Negation Signals and Their Scopes.
IPSJ Transactions on Bioinformatics.
[pdf]

INTERNATIONAL CONFERENCE PAPERS (REVIEWED)

Akira Yoshihara, Kazuki Fujikawa, Kazuhiro Seki, and Kuniaki Uehara.
Predicting Stock Market Trends by Recurrent Deep Neural Networks.
In Proceedings of PRICAI 2014: Trends in Artificial Intelligence , pp. 759769, 2014.
[link]

Kazuki Fujikawa, Kazuhiro Seki, and Kuniaki Uehara.
A Hybrid Approach to Finding Negated and Uncertain Expressions in Biomedical Documents.
In Proceedings of the 2nd International Workshop on Managing Interoperability and compleXity in Health Systems, pp. 6774, October 2012.
[pdf], [presentation]

DOMESTIC CONFERENCE

Kazuki Fujikawa, Kazuhiro Seki, and Kuniaki Uehara.
Financial Trend Prediction and Analysis through Textual Data.
第28回人工知能学会全国大会(JSAI2014)
[pdf]

Akira Yoshihara, Kazuki Fujikawa, Kazuhiro Seki, and Kuniaki Uehara.
Estimating the Trend of Economic Indicators by Deep Learning.
第28回人工知能学会全国大会(JSAI2014)
[pdf]

Kazuki Fujikawa, Kazuhiro Seki, and Kuniaki Uehara.
Generating Unified Representation for MultiDocuments by Deep Neural Network and its Application to Stock Price Prediction.
人工知能学会 金融情報学研究会(SIGFIN), January 2014.
[pdf]

Kazuki Fujikawa, Kazuhiro Seki, and Kuniaki Uehara.
NegFinder: A Web Service for Identifying Negation Signals and Their Scopes.
情報処理学会 第34回BIO研究発表会, June 2012.
[pdf]

Sayaka Kitaguchi, Koji Kumanami, Kazuki Fujikawa, Taiki Miyanishi.
Twitterを利用した震災情報検索支援システム. 東日本大震災ビッグデータワークショップ - Project 311 - .
2012年10月.
[リンク]

THESES

Kazuki Fujikawa, Kazuhiro Seki, and Kuniaki Uehara.
Generating Unified Representation for MultiDocuments by Deep Neural Network and its Application to Stock Price Prediction.
February 2014.

Kazuki Fujikawa, Kazuhiro Seki, and Kuniaki Uehara.
医療文書を対象とした否定・不確実表現の検出とその影響範囲の推定.
February 2012.

Biography

2012 - 2014

M.A. IN INFORMATION SCIENCE

Graduate School of Engineering, Kobe University, Japan

Research topic:

  • Deep Learning for Text Mining
  • Stock price prediction (Text mining approach using web news articles)
  • Text Mining (Finding Negated expressions using a classifier and heuristics)
2008 - 2012

B.A. IN INFORMATION SCIENCE

Department of Computer Science and System Engineering, Kobe University, Japan

Research topic:

  • Text Mining (Finding Negated expressions using a classifier and heuristics)

Reserch Interest

  • Natural Language Processing
  • Machine Learning
  • Data Mining

Skills

  • Python
  • Ruby
  • MySQL
  • HTML/CSS
  • Javascript

Softwares

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word2vec playground

September 2013

word2vec playground is a web searvice to find the related words using word2vec. (blog)

Contacts

Email:

Linkedin: https://www.linkedin.com/pub/kazuki-fujikawa/50/621/87b