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Researcher · IBM Research - Haifa · Israel

Haggai Roitman

Haggai Roitman publishes mostly in Information Systems, Artificial Intelligence and Computer Vision and Pattern Recognition, on topics such as Information Retrieval and Search Behavior, Topic Modeling and Semantic Web and Ontologies.

ORCID 0000-0002-5260-2287 OpenAlex
World rank
#1,129,833
of 1,633,909 ranked researchers
Rank in Israel
#6,905
of 8,450
Works
30
Citations
59
Citations per work
2.0

What does Haggai Roitman research?

Information Systems: 32.6%Artificial Intelligence: 20.9%Computer Vision and Pattern Recognition: 7.0%Computer Science Applications: 4.7%other fields: 34.8%33%top field
Information Systems32.6%Artificial Intelligence20.9%Computer Vision and Pattern Recognition7.0%Computer Science Applications4.7%other fields34.8%

Shares of their own output, by the field each of their topics belongs to. The grey slice is everything not listed.

  1. 1Information Systems33% of their works
  2. 2Artificial Intelligence21% of their works
  3. 3Computer Vision and Pattern Recognition7% of their works
  4. 4Computer Science Applications5% of their works
  5. 5Economics and Econometrics5% of their works
  6. 6Computational Theory and Mathematics5% of their works

Research topics

Which keywords describe Haggai Roitman's research?

The keywords of their largest research topics: Information Retrieval, Search Engines, User Behavior, Neural Networks, Word Representation, Crowdsourcing, Data Mining and Feature Matching.

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 Retrieval123 topics
  2. Search Engines71 topic
  3. User Behavior71 topic
  4. Neural Networks31 topic
  5. Word Representation31 topic
  6. Crowdsourcing21 topic
  7. Data Mining21 topic
  8. Feature Matching21 topic
  9. Financial Analysis21 topic
  10. Frequent Patterns21 topic
  11. Local Descriptors21 topic
  12. Mechanical Turk21 topic
  13. Monetary Policy21 topic
  14. Ontology21 topic
  15. Semantic Web21 topic
  16. Web Crawling21 topic
  17. Web Data Extraction21 topic

Where does Haggai Roitman work?

Haggai Roitman's main affiliation in the publication record is IBM Research - Haifa, Israel.

How many publications and citations does Haggai Roitman have?

Science Explorer counts 30 works and 59 citations for Haggai Roitman, ranking #1,129,833 of 1,633,909 researchers worldwide on the composite 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.

Papers, co-authors, who cited this work and researchers on the nearest topics are in the interactive view on the map. Is this your page? Request a correction or removal.