---
title: "Dimitris Galanis — author profile and papers"
description: "Dimitris Galanis, Institute for Language and Speech Processing: 3 papers on Elamur Research (2014–2016), h-index 14 — affiliations, topics, co-authors…"
canonical: "https://research.elamur.ai/free/en/authors/dimitris-galanis/"
---
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# Dimitris Galanis

Dimitris Galanis works on aspect-based sentiment analysis, the task of finding which parts of a product or service a review discusses and what opinion it expresses about each one. Their papers here, from 2014 to 2016, describe a series of SemEval shared tasks: defining the problem, building annotated review corpora, writing annotation guidelines and setting up the evaluation of participating systems. The recurring question is how to make fine-grained opinion labels consistent enough for annotators to agree on and for systems to be compared fairly.

The most cited of these is [SemEval-2014 Task 4](https://md.research.elamur.ai/free/en/papers/pontiki-2014-semeval-2014-task-4-aspect/), which set out four subtasks over English review sentences about restaurants and laptops. It gave sentences that both praise and criticise the same aspect their own "conflict" label, and it ran a pilot annotation round so that observed disagreements could be turned into further guidelines. The follow-up, [SemEval-2015 Task 12](https://md.research.elamur.ai/free/en/papers/pontiki-2015-semeval-2015-task-12-aspect/), redefined an aspect category as an entity paired with an attribute, both taken from a domain ontology. It joined category, opinion target and polarity into a single tuple, limited "neutral" to mild opinions and removed the "conflict" label.

The latest paper here, [SemEval-2016 Task 5](https://md.research.elamur.ai/free/en/papers/pontiki-2016-semeval-2016-task-5-aspect/), takes the 2015 framework beyond English and beyond single sentences. It added Arabic, Chinese, Dutch, French, Russian, Spanish and Turkish, together with new domains such as cameras, phones, museums and telecom tweets. A new review-level subtask built its labels from sentence-level annotations by choosing the dominant sentiment. Separate constrained and unconstrained tracks were meant to show whether gains came from better models or from extra lexicons and data.

Galanis is at the Institute for Language and Speech Processing and the Athena Research and Innovation Center in Marousi, Greece. Earlier papers came from the Athens University of Economics and Business. Frequent co-authors include [Maria Pontiki](https://md.research.elamur.ai/free/en/authors/maria-pontiki/), [Ion Androutsopoulos](https://md.research.elamur.ai/free/en/authors/ion-androutsopoulos/), [Suresh Manandhar](https://md.research.elamur.ai/free/en/authors/suresh-manandhar/) and [Haris Papageorgiou](https://md.research.elamur.ai/free/en/authors/haris-papageorgiou/). The work here falls under [Sentiment & emotion](https://md.research.elamur.ai/free/en/topics/sentiment-emotion/).

3 papers on this site · 2014–2016

current affiliation [Institute for Language and Speech Processing](https://md.research.elamur.ai/free/en/labs/institute-for-language-and-speech-processing/), Marousi, Greece; [Athena Research and Innovation Center In Information Communication & Knowledge Technologies](https://md.research.elamur.ai/free/en/labs/athena-research-and-innovation-center-in-information-communication-knowledge/), Marousi, Greece

Dimitris Galanis has 3 papers on this site, in 2014–2016, most of them on [Sentiment & emotion](https://md.research.elamur.ai/free/en/topics/sentiment-emotion/); often with [Ion Androutsopoulos](https://md.research.elamur.ai/free/en/authors/ion-androutsopoulos/), [Maria Pontiki](https://md.research.elamur.ai/free/en/authors/maria-pontiki/), [Suresh Manandhar](https://md.research.elamur.ai/free/en/authors/suresh-manandhar/).

[OpenAlex](https://openalex.org/A5061680680) · [ORCID](https://orcid.org/0000-0002-0379-7057) · [**h-index 14**](https://openalex.org/authors/A5061680680) · [36 works](https://openalex.org/works?filter=author.id:A5061680680) · [4 751 citations](https://openalex.org/works?filter=author.id:A5061680680&sort=cited_by_count:desc) OpenAlex, 2026-10-14

[3 works on this site](https://md.research.elamur.ai/free/en/authors/dimitris-galanis/#papers) · [1 236 citations in our library](https://md.research.elamur.ai/free/en/authors/dimitris-galanis/cited-by/) · 3 more works in our library

The profile is the library's match of the name; two people with one name are not always told apart.

Elsewhere: [Google Scholar](https://scholar.google.com/citations?view_op=search_authors&mauthors=Dimitris+Galanis) · [Semantic Scholar](https://www.semanticscholar.org/search?q=Dimitris+Galanis) · [dblp](https://dblp.org/search?q=Dimitris+Galanis) · [ACL Anthology](https://aclanthology.org/search/?q=Dimitris+Galanis)

## Affiliations

- [Institute for Language and Speech Processing](https://md.research.elamur.ai/free/en/labs/institute-for-language-and-speech-processing/) · Marousi, Greece —current · 2013–2026 on 16 papers
- [Athena Research and Innovation Center In Information Communication & Knowledge Technologies](https://md.research.elamur.ai/free/en/labs/athena-research-and-innovation-center-in-information-communication-knowledge/) · Marousi, Greece —current · 2013–2026 on 11 papers
- [Athens University of Economics and Business](https://md.research.elamur.ai/free/en/universities/athens-university-of-economics-and-business/) · Athens, Greece —2005–2013 on 8 papers
- [University of Patras](https://ror.org/017wvtq80) · Pátrai, Greece —2002 on 2 papers

From the bylines of their papers (OpenAlex, 2026-10-14), ORCID and Wikidata; institutions on papers are matched by machine.

## Topics

[Sentiment & emotion 3](https://md.research.elamur.ai/free/en/topics/sentiment-emotion/)

## Works by year

### 2010s

[**2016** 1 paper](https://md.research.elamur.ai/free/en/papers/pontiki-2016-semeval-2016-task-5-aspect/) · [**2015** 1 paper](https://md.research.elamur.ai/free/en/papers/pontiki-2015-semeval-2015-task-12-aspect/) · [**2014** 1 paper](https://md.research.elamur.ai/free/en/papers/pontiki-2014-semeval-2014-task-4-aspect/)

## Papers

The most cited first (OpenAlex and our library).

1. **[SemEval-2014 Task 4: Aspect Based Sentiment Analysis](https://md.research.elamur.ai/free/en/papers/pontiki-2014-semeval-2014-task-4-aspect/)** *(2014 · 2 405 citations)* Most sentiment analysis work assigns a single polarity to a whole sentence or document and ignores which parts of the reviewed item the opinion is about.
2. **[SemEval-2016 Task 5: Aspect Based Sentiment Analysis](https://md.research.elamur.ai/free/en/papers/pontiki-2016-semeval-2016-task-5-aspect/)** *(2016 · 1 656 citations)* This paper reports on the third edition of SemEval's aspect-level sentiment analysis challenge, known as ABSA.
3. **[SemEval-2015 Task 12: Aspect Based Sentiment Analysis](https://md.research.elamur.ai/free/en/papers/pontiki-2015-semeval-2015-task-12-aspect/)** *(2015 · 1 446 citations)* This shared task paper describes the second SemEval edition on Aspect Based Sentiment Analysis (ABSA). The goal is to move past whole-text polarity and detect opinions about particular entities and their facets. Compared with SE-ABSA14, the organizers redefined an aspect category as a pairing of an entity type E with…

## Also in our library

3 more works of theirs are in our library without a page here yet; they will appear as we publish them.

## Co-authors here

12 co-authors with a page, the most papers together first.

- [Ion Androutsopoulos](https://md.research.elamur.ai/free/en/authors/ion-androutsopoulos/) ×3
- [Maria Pontiki](https://md.research.elamur.ai/free/en/authors/maria-pontiki/) ×3
- [Suresh Manandhar](https://md.research.elamur.ai/free/en/authors/suresh-manandhar/) ×3
- [Haris Papageorgiou](https://md.research.elamur.ai/free/en/authors/haris-papageorgiou/) ×2
- [Bing Qin](https://md.research.elamur.ai/free/en/authors/bing-qin/)
- [John Pavlopoulos](https://md.research.elamur.ai/free/en/authors/john-pavlopoulos/)
- [Mahmoud Al-Ayyoub](https://md.research.elamur.ai/free/en/authors/mahmoud-al-ayyoub/)
- [Marianna Apidianaki](https://md.research.elamur.ai/free/en/authors/marianna-apidianaki/)
- [Mohammad AL-Smadi](https://md.research.elamur.ai/free/en/authors/mohammad-al-smadi/)
- [Orphée De Clercq](https://md.research.elamur.ai/free/en/authors/orphee-de-clercq/)
- [Veronique Hoste](https://md.research.elamur.ai/free/en/authors/veronique-hoste/)
- [Yanyan Zhao](https://md.research.elamur.ai/free/en/authors/yanyan-zhao/)

## Cited by

Papers of our library cite their works 1 236 times (of the 140 884 papers whose bibliographies we read); [36 citing papers with a page here →](https://md.research.elamur.ai/free/en/authors/dimitris-galanis/cited-by/).