Java St2i

re-implement paper "A Unified Index for Spatio-Temporal Keyword Queries"

https://dl.acm.org/doi/pdf/10.1145/2983323.2983751

Range search and top K nearest Search

java -jar kdtree1.jar <-datafile-> <n_knode> <kdtree_para>

java -jar Query.jar <-datafile-> <query_parameter> <top_k>

#using pubg death data to test top K nearest

https://www.kaggle.com/skihikingkevin/pubg-match-deaths#deaths.zip

65 millions game POI data-testdata65new.csv , weaponid file is to help you figure the id to search the weapon

yellow taxi data -testdata2.csv

https://cuny547-my.sharepoint.com/:f:/g/personal/cyuan1_gradcenter_cuny_edu/EsJmss7YRvxFqbiOhTS-3hgB3Wwdo_gycBdTkRt2H8OsEQ?e=lW1051