Corpora of social media messages for crises/disasters research.

• CrisisLex: several corpora of disaster-related social media messages.
• CredBank: corpus for credibility research
• HDX: Humanitarian Data eXchange, datasets of humanitarian variables by UN OCHA.
• TREC Microblog Corpus: corpus of social media messages.
• TREC Temporal Summarization Track: corpus for social media update summarization.

Programs and libraries for tokenization, part-of-speech tagging, entity extraction, entity linking, and other NLP operations.

In Java:

• WEKA: open-source data mining software in Java.
• MALLET: natural language processing and topic modeling.
• Apache OpenNLP: natural language processing.
• GATE: text processing.
• ArkNLP: Twitter-specific natural language processing.

In Python:

• NLTK: natural language toolkit.

Language-agnostic:

• Transliteration of non-roman scripts.

Online:

• Free and commercial services to perform named entity linking: Alchemy, OpenCalais, Zemanta

Geotagging:

• GeoNames: geo-tagging software.

Free maps:

• OpenStreetMap: geographical information, useful for building gazeteers.

• PyBossa

Integrated systems that are open and free.

• Sahana
• Ushahidi

Past and present related conferences and workshops:

• SWDM'16: Social Web for Disaster Management
• ISCRAM'16: Information Systems for Crisis Response and Management
• SAFE'15: Workshop on Semantics and Analytics for Emergency Response
• KDD-LESI'14: Workshop on Learning About Emergencies from Social Information.
• AAAI Spring Symposium'15: Structured Data for Humanitarian Technologies.
• HUMTEC'16: Humanitarian Technologies

There are many digital volunteering organizations, this list contains a few examples:

• Digital Humanitarian Network
• Stand-By Task Force
• Humanity Road
• Geeks Without Borders
• Humanitarian OpenStreetMap Team (HOT)
• Crisis Commons
• Translators Without Borders
• MapAction
• GISCorps

Blogs and social media accounts of researchers and practitioners working in social innovation in general, and/or social media for disasters in particular.

• Andrej Verity - @AndrejVerity
• Patrick Meier - @PatrickMeier
• Heather Leson - @HeatherLeson
• @BigCrisisData

Talks about big data for emergency/disaster management, and about social media data for research in general.

• Frontiers in Crisis Informatics by Leysia Palen (2015)
• Changing the World, One Map at a Time by Patrick Meier (2011)
• Big Data Gets Personal by Kate Crawford (2013)
• Algorithmic Issues of Big Data by Kate Crawford (2013)

• Digital Humanitarians: How Big Data is Changing the Face of Humanitarian Response by Patrick Meier (2015)
• Social Media in Disaster Response: How Experience Architects Can Build for Participation by Liza Potts (2013)
• Disasters 2.0: The Application of Social Media Systems for Modern Emergency Management by Adam Crowe (2012)

• The Arabic example on page 39, it says “al3ab”, should say “al7ob” (thanks to Sallam Abualhaija).