The September 2021 issue of Genomics & Informatics was published as a special issue on the 7th Biomedical Linked Annotation Hackathon (BLAH7).

• Genomics & Informatics, Volume 19, Issue 3, Sep 2021

BLAH7, whose main organizer was DBCLS, was held as an Online event in January 2021, as a hackathon specialized for text mining in life sciences.

• The 7th Biomedical Linked Annotation Hackathon (BLAH7)

The special issue includes 1 editorial, 7 application notes, and 1 opinion which are all authored based on outcomes of the BLAH7 hackathon. They are all open access papers and can be accessed online as follows:

• Editor’s introduction to the special section on the 7th Biomedical Linked Annotation Hackathon (BLAH7), Jin-Dong Kim, Kevin Bretonnel Cohen, Fabio Rinaldi, Hyun-Seok Park, DOI: https://doi.org/10.5808/gi.19.3.e1
• A biomedically oriented automatically annotated Twitter COVID-19 dataset, Luis Alberto Robles Hernandez, Tiffany J. Callahan, Juan M. Banda, DOI: https://doi.org/10.5808/gi.21011
• Improving classification of low-resource COVID-19 literature by using Named Entity Recognition, Oscar Lithgow-Serrano, Joseph Cornelius, Vani Kanjirangat, Carlos-Francisco Méndez-Cruz, Fabio Rinaldi, DOI: https://doi.org/10.5808/gi.21018
• LitCovid-AGAC: cellular and molecular level annotation data set based on COVID-19, Sizhuo Ouyang, Yuxing Wang, Kaiyin Zhou, Jingbo Xia, DOI: https://doi.org/10.5808/gi.21013
• COVID-19 recommender system based on an annotated multilingual corpus, Márcia Barros, Pedro Ruas, Diana Sousa, Ali Haider Bangash, Francisco M. Couto, DOI: https://doi.org/10.5808/gi.21008
• Constructing Japanese MeSH term dictionaries related to the COVID-19 literature, Atsuko Yamaguchi, Terue Takatsuki, Yuka Tateisi, Felipe Soares, DOI: https://doi.org/10.5808/gi.21012
• O-JMeSH: creating a bilingual English-Japanese controlled vocabulary of MeSH UIDs through machine translation and mutual information, Felipe Soares, Yuka Tateisi, Terue Takatsuki, Atsuko Yamaguchi, DOI: https://doi.org/10.5808/gi.21014
• OryzaGP 2021 update: a rice gene and protein dataset for named-entity recognition, Pierre Larmande, Yusha Liu, Xinzhi Yao, Jingbo Xia, DOI: https://doi.org/10.5808/gi.21015
• Visualizing the phenotype diversity: a case study of Alexander disease, Eisuke Dohi, Ali Haider Bangash, DOI: https://doi.org/10.5808/gi.2101