??????? ????? ??????????? ??????? ??????? ?????? ??? ?? ???????? ??? ?????????, ?????? ???? ?? ???????, ? ?????? ??? ?????? ??? ??? ??? ???????? ?????? ??? ?????????? ?????????? ??? ?????????? ????????? ????. ???? ??????, ????? ?????? ???? ??????????? ?????? ??????? ?? 45% ??? ??????? ?????????, ????? ???? ???? ?? ???????? ??? ??? ?????? ?????? ??????? ??? ??????????? ?? ????????? ???????? ???? ???????????? ??? ??????????? ??? ??? ????????? ??? ?????????? ???????.
?????? ??? ??? ??????? ???? ??? 1000 tweets ?? ????????? ???????? (3-11 ???????), ??? ???????????? ???? ??? ?? hashtags #?????? ??? #???????????, ????????? ?????? ??? ?? ???????????? ?????????? ???? ????? ?? ??????? ??? AstraZeneca ?????? ??? ????? 6 ???????, ?????? ???????? ??????????? ????? ?? ???????????? ???? ??????????? ????????? ?????? ??? ??????????, ???? ??? ??????? ????????? “??????? ???????”.
??? ??? ????, ? ????? ?? ?? ??????????? ???? ??? ?? ??????? ??? Pfizer ???? ? 9? ??????? (?????????). ???? ? ?????? ?????? ?????? ?????? ?? ??????????, ????? ??? ????????? ????????? ? ??????? ??? ?????????? ???????? ??? ????? ??? ??? ??????, ??????????? ??? 2.300 ?????????.
???????, ???? ???????? ??? ??? ???????? ?????????, ? ??????? ??? tweets ??? ??? ?? ??? hashtags ??? ???????????, ????? ????????? ????????? ?? ????????? 24???.
? ??????? ???? ???? ?????? ?? ???????? ???? ??????? ?????????? ??? ??????? ??? ????????? ????????, ???? ??? ?????? ??? ???????? ??????? ??? COVID-19 ??? ??? ????????????? ?????????????? ??? ????????? ??? ????????. ???? ?????????? ?????, ???? ?? ???????? ??? ??? ?? ??????? ???????, ????????? ? ???????? ??? ??????? ?????????? (??? ????????? “?????????? ?????”), ? ????? ???? ????????? ??????????????? ??? ??????? ??????? ?? ??? ???????? ????????? ???.
?????????? ??? ??????? ??? ??????? ???????? ??? ??????? ??? Twitter ???? ??? ?? ??????? AstraZeneca, ????? ??????? ??? ?? ??????? ????????? ?????? ????? ?????? ???? “??????????? ???????”, “??????? ????”, “???????????”, “?????????????” ??? “?????????????”, ?????? ??? ?? ??????????? ??? ??????????? ??? ?????????? ?? ??? ???????? ??? ?????? ??? ?? ????????? ??? ???? ????????? ??? ?? ????? ??? ???????? ? ????????? ??? ?? ??????????? ??? ??????? ????.
??? ???? ??????, ??? ???????? ???? ??? ?? ????????? ????? ????????? ?? ??????? ??? ????????????? ?????????? ??????? ??? ???? ??? ??? ??????? ??? hashtag #??????. ? ???????? ???? ???????????? ???? ??? ?? ??? ????????? ??? ???, ???? ??? ??? ??? ?????? ??? ?????? ??? ????????. ??????, ???? ?? ???????? ??? ??? ???? ????????? ??? Pfizer ??? ??????????? ?? ????-????, ?? ????? ????? ? ????? ????????? ?????????????? ???????? ??? ??????????.
H ???????? ????????? ??? ?????? ????? ??? ???????? ??? ??? ???????? ???????, ???? ????????????? ?? ???? ??? ?????? ?????? ??? ????????? ???? ??? ?? hashtag #??????.
?????????????? ??????? ??? tweets
????, ????, ??? ??? ?????? ??? ????????? ?? ??????????????? ?? ??????? ??? Twitter, ?????????? ??????????? ??? ? ?????????????? ??????? ????? ??? ??????. ??? ??????????, ??????????? ??? ????? ??????????? ??? ????????????? ??? tweets ??? ?? ??????? AstraZeneca, ???????? ??? ? ?????????? (??????? ??????) ????????? ???’??? ?? ???????? ??? ???????? ??????????? ??? ??????????. ???????, ??????? ????? ? ?????? ??? ??? ?? ??????? Pfizer, ?? ????????? ???????????? ?? ????????????? ???? ????? ??? ?? ???? ??? ?????????.
??????, ? ????????? ??????? ?????? ??? ??? ?????????? ???????? ??? ??????? ??? ? ???? ??? ??????????? ??? ?? AstraZeneca ????????? ?? ??????? ??????? ???? ??? ?? 0,4 ??? ?????????? ?????, ?? ???????? ?? ?? Pfizer ??? ??????????? ??????? ?????? ??? 0,6. ????, ??? ??? ??? hashtags ? ?????? ??? ????????????? ????? ??????? ???????, ?????? ??? ???? ??????????? ??? ????? ???? ??????????? ? ????????? ??? ???????????? ??? ??????? ??????? ?? ??? ???????????? ??? ???????????.
????? ?????, ??? ??? ???? ?? ???????? ???????????? ??? ???????? ???????? ????? ? ?????? ???????????? ??? ???????? ?? ??????? ??? Twitter ???????? ??? ???????? ???????. ??????????, ???? ????????? ??? AstraZeneca ? ????????? trust (???? ??????) ???????? ???? ???? ??? ???? ??? ?? 0,5, ?? ????????? ?? ??? ?????????? ???? ??? Pfizer ??? ????? ??????? ?????????? ???? ??? ?? 0,3.
? ?????????? ???? ??????? ???????? ?????? ??????? ?? ??? ????? ???????? ??? ?????????????, ?????? ?? ????? ?????? ????? ??? ??? ???? ????????? ??????? ??? ??????? ??????? ?? ???????? ?? ???????? ??? ??? ?????????? ?? AstraZeneca, ???? ??? ???????? ???????????? ??? ????????? ?? ?????????? ??????????. ???? ?????? ?? ????? “????????” ????? ???????? ??? ???????????? ???????, ?? ??????? ??? Twitter ???????? ??? ???????? ?????????? ???????????.
??????????, ? ???????? ?????????? ????????????? ??? ????????? ??? ???????????, ?? ??????????? ?????? ??? ???? (??????? ??????) ??? ????????? ?? tweets ??? ?? ???? ???????. ?? ???? ?????, ? ????? ??? ?? AstraZeneca ??? ????????? ?????????? ???????????, ?? ???? ??? ????????????? ??? ?????????? ?????, ?? ????? ???????? ??? ???????? ??? ??????, ??????????? ??? ??? ????????? ????????.
??? ?????? ???????? ????? ??? ??????? ???????? ?????, ????? ???? ??? ??? ????? ? ??????? ???????? ??? ??? ???????? ???? ??????? ??? ?? ?????? ??? ??? ?????? ??????? ?? ??????????? ? ??? ??? ???? ?????????? ?? ???? ???????????. ??? ??? ?????, ??? ??????????, ????? ?? ????????? ??? ????? ??? ?????????? ????????? ? ????????? ??????? ?? ?? ??????? ??? ???????????? ??? ??? ???????????? ???? ?? ???? ???? ??????? ??? ?? ????????.
????, ???????, ????????????? ??? ??? ?????????? (bigrams) ??? ????????? ??? ??? ??????????? ??? tweets, ????? ?? ?????? “??????????? ???????” ?????????? ???? ?????? ??? ????????????? ??????.
?? ???????, ???????, ??? Twitter ???????? ?? ???? ???? ?????? ??? ??? ???????? ??????? ??? ??????????, ???????? ?? ????????????? ??? ???????? ?? ???????? ??? ? ??????? ???? ??????????? ????????????? ??????? ?? ?? ?????? ???, ???? ?????????? ??? ??????? ??????? ??? ???? ??????? ??? ????? ??????????? ??? ???’???????? ????????? ?? ?????? ?? ??????????? ????? ?? ?????? ?????????.
???????????
? ??????? ??? ????????? ????? ?? ?? ????? scraping ???? ??? ??????????? Beautiful Soup ???? Python, ???? ??? ???? Twitter ?? ?? hashtags #?????? ??? #???????????. ? ???????????? ??? ????????? ????? ???? ??????????? ??????????? ???? Python ???? ??? ?? ?? ??????? ??? ?????????? Flourish. ? ?????? ??????? ????? ?????????? ??? Github.
???? ???????: healthpharma.gr
????? ????????
