Work
2019.4 ~
Accenture Technology, New York, USA.
Knowledge Graph Center of Excellence (KG CoE)
Position: Knowledge Graph Engineer Associate Manager
- Model graph schema based on business use cases.
- Develop ML models to generate new knowledge and ingest into graph.
- Neo4j, Python, Cypher, Linkurious, Redshift, PostgreSQL, AWS, TigerGraph, GSQL.
2019.1 ~ 2019.4
Roivant Sciences, New York, USA.
Position: Computational Research Consultant
1. Construct Knowledge Base (KB) for relationship extractions between entities.
2. Populate KG with Drug, Target, Indication and their relationships to Documents.
- Python, Neo4j, Cypher, pandas, AWS EC2.
2018.9 ~ 2018.12
Position: Freelance Researcher
- Worked on extending ADAS ontology and creating SWRL rules using Protege for traffic regulations.
2016.4 ~ 2018.9
Service Intelligence Research Team,
Artificial Intelligence Research Center (AIRC),
National Institute of Advanced Industrial Science and Technology (AIST Tokyo Waterfront), Japan
Position: Research Scientist
- Standardized ADAS ontology for inteligent vehicles using Protege.
- Discovered missing or incorrect RDF triples in Knowledge Graph using graph-based and word embedding based approaches.
- Constructed ontology for GPCR pathways to predict links among entities in Knoweldge Graph using graph embedding approach.
- Advised on implementing map converter, constructing ontology for healthcare manual processes, and extending knoweldger graph using ontology matching.
- Python, Java, JSON, SPARQL, gensim, Tensorflow, Protege, and Jena.
2016.4 ~ 2018.9
National Institute of Informatics (NII), Japan
Position: Visiting Researcher
2014.10 ~ 2016.3
Volunteer Travel Reporter for Japan Travel - Nagoya Reporter and Centrair website.
2013.12 ~ 2016.3
Computational Intelligent Laboratory (COIN) & Research Center for Smart Vehicles, Toyota Technological Institute (TTI), Japan
Position: Post-Doctoral Researcher
Advisor: Yutaka Sasaki, Seiichi Mita.
- Constructed and published ADAS ontology for inteligent vehicles.
- Developed real-time decision making system to improve safety of vehicles.
- Tested the system with simulator and on-road driving using a smart vehicle.
- RDF, C-SPARQL, SPARQL, SWRL, Matlab, PreScan, C++, JAVA.
2010.10 ~ 2013.11
Ichise Laboratory of National Institute of Informatics (NII), Tokyo, Japan.
Position: Research Assistant
Advisor: Ryutaro Ichise
- Developed FITON framework to solve ontology heterogeneous problem.
- Applied graph algorithm, ontology matching, and machine learning methods.
- Detected misuses of ontologies in Linked Open Data(LOD) and recommended core properties for describing instances.
- Discovered missing links from LOD and retrieved more relevant results in QA systems using the integrated ontology.
- Java, Virtuoso triple store, WordNet, decision table, apriori.
2013.8 ~ 2013.9
EXMO Team, INRIA Grenoble Rhone-Alpes, Grenoble, France.
Position: Visiting Student
Advisor: Jérôme Euzenat
Visited EXMO Team under the grant of Short-Stay Study Abroad Program of SOKENDAI in FY2013.
2010.2 ~ 2010.7
Ichise Laboratory of National Institute of Informatics (NII), Tokyo, Japan.
Position: Internship
Advisor: Ryutaro Ichise
Implemented an ontology matching system by aggregating weighted similarity matrix
for several string-based, knowledge-based and structure-based similarity measures.
2007.3 ~ 2008.5
IBM Global Business Services, Dalian, China.
Position: IT Specialist Trainee
JP-Mainframe Team
Maintained systems for AFLAC (American Family Life Assurance Company of Columbus) with COBOL and JCL on TSO environment.