CrisisLex Ontopic: All 6 Events (Cumulative)
A Twitter dataset of 60,082 tweets across 6 crisis events (0 on-topic, 60,082 off-topic), collected by Olteanu et al. via crowdsourcing for 6 crisis events. Each record contains tweet text, on-topic/off-topic label (crowdsourced majority voting), crisis type, country, year. The dataset is notable for its Systematically collected dataset of 6 crisis events with crowdsourced on-topic/off-topic labels from at least 3 workers per tweet, enabling comparative analysis of tweet relevance across different crises. Cumulative version combines all events into a single corpus.. Intended for research into crisis informatics, tweet filtering, on-topic detection, information extraction, crowdsourcing evaluation, event detection, situation awareness, multi-event NLP benchmarking.
Cite this dataset at
crisislex-ontopic-cumulative.echo.directory
Analytics
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Show all 87 topics
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Sampled: text metrics from 50K of 60.1K records; topic model from 20K.
Record
- Catalog key
crisislex-ontopic-cumulative- Authors
- Olteanu, Alexandra; Castillo, Carlos; Diaz, Fernando; Vieweg, Sarah
- Year
- 2014
- Source paper
- CrisisLex: A Lexicon for Collecting and Filtering Microblogged Communications in Crises
- DOI / arXiv
- 10.1145/2675133.2675242
- License
- Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) (CC-BY-NC-SA-4.0)
- Records
- 60,082
- Text corpus
- tweet text
- Languages
- en
- Collected
- 2012-2013 (2010s)
- Region
- Global (inferred: the platform is used worldwide)
Provenance
- Originally published at
- https://crisislex.org/ link checked
- Hosted copy
- Mirrored on echo.directory on 2026-10-02, 7.4 MB across 8 files. Checksums in MANIFEST.json.
How to cite
BibTeX
@misc{echo2026,
title = {ECHO: Exploratory Compendium of Humanity Online},
author = {Switzer, Braden and Zafarani, Reza},
year = {2026},
url = {https://echo.directory},
note = {Syracuse University}
}
@inproceedings{olteanu2014crisislex,
author = {Olteanu, Alexandra and Castillo, Carlos and Diaz, Fernando and Vieweg, Sarah},
title = {CrisisLex: A Lexicon for Collecting and Filtering Microblogged Communications in Crises},
year = {2014},
booktitle = {Proceedings of the 8th International AAAI Conference on Weblogs and Social Media},
series = {ICWSM '14},
publisher = {AAAI Press}
} APA
Switzer, B., & Zafarani, R. (2026). ECHO: Exploratory Compendium of Humanity Online [Data repository]. Syracuse University. https://echo.directory
Olteanu, A., Castillo, C., Diaz, F., & Vieweg, S. (2014). CrisisLex Ontopic: All 6 Events (Cumulative) [Data set]. https://doi.org/10.1145/2675133.2675242
MLA
Switzer, Braden, and Reza Zafarani. ECHO: Exploratory Compendium of Humanity Online. Syracuse University, 2026, echo.directory.
Olteanu, Alexandra, et al. CrisisLex Ontopic: All 6 Events (Cumulative). 2014, doi.org/10.1145/2675133.2675242.