: 2021 was a significant year for large-scale IR benchmarks, such as the TREC 2021 Deep Learning Track, which released massive passage and document datasets.
: These files contain selected geographic and cartographic information (roads, boundaries, water features) from the Master Address File/Topologically Integrated Geographic Encoding and Referencing (MAF/TIGER) database.
The prefix "Tir" or "TIGER" often denotes TIGER/Line Shapefiles, which are core geographic products from the U.S. Census Bureau.