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Researcher · Waseda University · Japan

Tetsuya Sakai

Tetsuya Sakai publishes mostly in Artificial Intelligence, Information Systems and Electrical and Electronic Engineering, on topics such as Topic Modeling, Information Retrieval and Search Behavior and Natural Language Processing Techniques.

ORCID 0000-0002-6720-963X OpenAlex
World rank
#1,586,381
of 7,710,434 ranked researchers
Rank in Japan
#25,908
of 383,136
Works
764
Citations
7.1k
Citations per work
9.3
h-index
40
i10-index 171Top 2.1% in Artificial Intelligence
Tetsuya Sakai

What does Tetsuya Sakai research?

Tetsuya Sakai's work is mostly in Computer Science (39%), Engineering (10%), Materials Science (5%).

Physical Sciences: 413 works · 54.0% of their workComputer Science: 297 works · 38.9% of their workArtificial Intelligence: 159 works · 20.8% of their workInformation Systems: 113 works · 14.8% of their workComputer Vision and Pattern Recognition: 25 works · 3.3% of their workEngineering: 79 works · 10.3% of their workElectrical and Electronic Engineering: 48 works · 6.3% of their workMechanical Engineering: 31 works · 4.0% of their workMaterials Science: 37 works · 4.8% of their workPolymers and Plastics: 37 works · 4.8% of their workEverything else: 351 works · 46.0% of their workTHEIR WORKTetsuya Sakai764works
Physical Sciences54%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
    1. Computer Science29738.9%
    2. Engineering7910.3%
    3. Materials Science374.8%
  2. Everything else35146.0%
  1. 1Artificial Intelligence21% of their works
  2. 2Information Systems15% of their works
  3. 3Electrical and Electronic Engineering6% of their works
  4. 4Polymers and Plastics5% of their works
  5. 5Mechanical Engineering4% of their works
  6. 6Computer Vision and Pattern Recognition3% of their works

Research topics

Which keywords describe Tetsuya Sakai's research?

The keywords of their largest research topics: Information Retrieval, Neural Networks, Word Representation, Search Engines, User Behavior, Neural Machine Translation, Statistical Machine Translation and Web Crawling.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most.

All 17 words, with their numbers
  1. Information Retrieval3273 topics
  2. Neural Networks1381 topic
  3. Word Representation1381 topic
  4. Search Engines1301 topic
  5. User Behavior1301 topic
  6. Neural Machine Translation651 topic
  7. Statistical Machine Translation651 topic
  8. Web Crawling591 topic
  9. Web Data Extraction591 topic
  10. Community Question Answering491 topic
  11. Expert Finding491 topic
  12. Climate Change481 topic
  13. Paleoclimatology481 topic
  14. Fluvial Systems441 topic
  15. Sedimentation441 topic
  16. Ontology341 topic
  17. Semantic Web341 topic

Where does Tetsuya Sakai work?

Tetsuya Sakai's main affiliation in the publication record is Waseda University, Japan.

How many publications and citations does Tetsuya Sakai have?

OpenAlex counts 764 works and 7,074 citations for Tetsuya Sakai, an h-index of 40, ranking #1,586,381 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Other researchers named Tetsuya Sakai

Papers, co-authors, who cited this work and researchers on the nearest topics have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

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