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Researcher · Telefonica Research and Development · Spain

Alexandros Karatzoglou

Alexandros Karatzoglou publishes mostly in Artificial Intelligence, Information Systems and Management Science and Operations Research, on topics such as Recommender Systems and Techniques, Advanced Bandit Algorithms Research and Topic Modeling.

ORCID 0000-0001-6063-9023 OpenAlex
World rank
#50,632
of 7,710,434 ranked researchers
Rank in Spain
#551
of 204,306
Works
132
Citations
11k
Citations per work
80.7
h-index
40
i10-index 63Top 2.1% in Artificial Intelligence
Alexandros Karatzoglou

What does Alexandros Karatzoglou research?

Alexandros Karatzoglou's work is mostly in Computer Science (68%), Decision Sciences (11%), Engineering (4%).

Physical Sciences: 95 works · 72.3% of their workComputer Science: 90 works · 68.1% of their workArtificial Intelligence: 40 works · 30.0% of their workInformation Systems: 34 works · 26.1% of their workComputer Vision and Pattern Recognition: 12 works · 8.9% of their workSignal Processing: 4 works · 3.1% of their workEngineering: 6 works · 4.2% of their workElectrical and Electronic Engineering: 6 works · 4.2% of their workEverything else: 23 works · 17.1% of their workSocial Sciences: 14 works · 10.6% of their workDecision Sciences: 14 works · 10.6% of their workManagement Science and Operations Research: 14 works · 10.6% of their workTHEIR WORKAlexandrosKaratzoglou132works
Physical Sciences72%Social Sciences11%

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 Science9068.1%
    2. Engineering64.2%
  2. Everything else2317.1%
    1. Decision Sciences1410.6%
  1. 1Artificial Intelligence30% of their works
  2. 2Information Systems26% of their works
  3. 3Management Science and Operations Research11% of their works
  4. 4Computer Vision and Pattern Recognition9% of their works
  5. 5Electrical and Electronic Engineering4% of their works
  6. 6Signal Processing3% of their works

Research topics

Which keywords describe Alexandros Karatzoglou's research?

The keywords of their largest research topics: Neural Networks, Deep Learning, Collaborative Filtering, Matrix Factorization, Bandit Optimization, Bayesian Optimization, Machine Translation and Word Representation.

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. The words come from the keyword list OpenAlex gives each topic, not from the text of the papers, so a word can appear that none of the papers uses.

All 18 words, with their numbers
  1. Neural Networks1173 topics
  2. Deep Learning1094 topics
  3. Collaborative Filtering791 topic
  4. Matrix Factorization791 topic
  5. Bandit Optimization321 topic
  6. Bayesian Optimization321 topic
  7. Machine Translation291 topic
  8. Word Representation291 topic
  9. Graph Neural Networks141 topic
  10. Knowledge Graph Embedding141 topic
  11. Demand Response101 topic
  12. Smart Grid101 topic
  13. Image Captioning91 topic
  14. Visual Question Answering91 topic
  15. Crowdsourcing71 topic
  16. Electronic Health Records71 topic
  17. Healthcare71 topic
  18. Mechanical Turk71 topic

Where does Alexandros Karatzoglou work?

Alexandros Karatzoglou's main affiliation in the publication record is Telefonica Research and Development, Spain.

How many publications and citations does Alexandros Karatzoglou have?

OpenAlex counts 132 works and 10,647 citations for Alexandros Karatzoglou, an h-index of 40, ranking #50,632 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised citation 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 have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

Discussion

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