??? ????? ????? ????????? ? ?????? ??? ??????????? ???? ??? ??? covid-19 ??? ?? ?.?.?. (?????????????) ???? ??? ??? Twitter (????????????).
??????????? – ?.?.?.
??? ????????????, ?????????????? ????? ??? ??? ?????????? ??? skai (www.skai.gr) ??? ??? star (www.star.gr). ??????????? ?? ???????? ?? ???? ??? ???????????, ????? ????????? ?? ?? ???? ‘???????’ ?? ???? ???? ??? ???? ??? ??????????. ?? ???????? ???????? ?? ????? ?????????????? ??????? ????? ?? ????? ????????????? ???? ?? ???? 2021.
??? ????? ??????? ???????? ? ??????? ??? ?????? ??? ????????????? ???? ?????????? ??? skai ?? ??? ????????? ‘???????’.
?? ???????? ????? ??? ????????????? ???? skai ??? ?? ???? 2021 ????? 1659. ?? ??????????? ????? ??? ???? ???? ???? 383 ??? ????????????? ??? ???? ?????????, ?????? ??????? ??????????? ????????? ??? ?? ??????????? ??? ???? ??? ????????? ??? ???? ?????????? ??? 2020. ??? ???????? ??? ????? ??? ??????????? ???? ???? ????????????? ?????, ???????????? ?????? ???? ???????????? ??? ??????? ???? ???????????? ???? ??? Covid-19.
??? ??????? ??????? ???????? ? ??????? ??? ?????? ??? ????????????? ???? ?????????? ??? star ?? ??? ????????? ‘???????’.
?? ???????? ????? ??? ????????????? ???? star ??? ?? ???? 2021 ????? 469. ?? ??????????? ????? ??? ???? ???? ???? 109 ??? ????????????? ??? ???? ????. ???????? ??? ?? skai, ?? ???????????? ??? ???? ???????????? ??? ???? ??? ???????? ?? ????? ???????? ???? ??????????? ???? ???? ????????????? ?????.
??? ???????? ?????????????? ??? (??? ??? ???? ?????????? ??????????) ??????? ??????, ?? ????? ??? ?????? ?????????? ?????? ??? ?? ??????????? ??? ?????? ??? ???????????. ?? ??????? ?????? ???? ?????????????? ??? ?? ??????? ??? ?????? ??? ?????? ??? ??? ?????????? ????.
?? ???????? ??????? ?????????? ??? ??????? ?????? ??? ????????? skai.
???? ???????? ?? ????? ?????? ???? ???????, ????????, astrazeneca ??? pfizer ?????????? ??? ??????? ??????. ???????? ?????? ?????? ???? ????????? ?????, ????????, ??????????? ??? ????????? ?????????? ?? ????????? ????? ??? ??????? ??? ?????? ??? ??? ??????????.
??? ???????? ???????? ?? ??????? ?????? ??? ????????? star.
??? ??? ??????? ?????? ??? star ????????? ???? ????? ?????? ???? ???????, pfizer, ????????? ??? astrazeneca. ???????? ?????? ?????? ???? moderna, ??????????, ???????? ??? ??????????????, ?????????? ?????????? ?? ????????? ????? ??? ??????? ??? ?????? ??? ??? ?????????? ??? star.
?????????????? ??? ?? ??????? ?????? ?? ?????? ?? ????????? ?? ??????? ??? ??? ????? ??? ?????????? ????? ?????????? ?????? ??????? ???? ???????? astrazeneca, ?????? ??? ??? ?????? ?????? ???????? ??? ???????????? ???? ??? ??? ?????????? ???????.
??? ???????? ????????? ??? ??? ??????????? ??? ???? ??????????, ?? ????? ??????????? ???? ?????????? ?????? ??? ??? ????????? ?????????? (bigrams) ??? ?????????????. ? ??????? ???? ???????????????? ??? ?????? ??????? ??? ?????? ??? ??? ????? ??????? ??? ???? ??????????.
?????????? ?????? ??? ?????????? – Skai
??? ??????? ????????? ????????? ?? ?????????? ?????? ??? ????????????? ??? ??????? ??? ?????? ??? skai.
?????? ???? ??????? ??? covid ????????? ?? ???? ?????? ????? ??? ????? ??? skai. ??????? ?? ??? ????????? ??? ???????? ??????? ??? ??? ????????, ?????????? ??????? ??????? ???? ???????? astrazeneca ??? ????????? ???? pfizer. ?????? ??????????? ??????? ?????? ??? ??? ??? ?????? ???? ??? ??????.
?? ???????? ??????? ??? ??????? ?? ????????? ?????????? ??? ????????????? ??? ??????? ??? ?????? ??? skai.
???? ????????? ??? ??????????? ???????????? ?????? ??????? ?????? ???? ?? covid-19 ??? ???????? ???? ???? ??? ??????, ???? ??? ???????????? ????? ????? ?? ???-??? (???????? ?????????? ???????? – ?????????? ?????????? ????????). ??????????? ?? ???-??? ??? ?? ???? ??? ??? ????? ?????? ??? ???? ?????? ?? ?? ???????? covid 19. ??????? ?? ??? ????????? ??? ???????? ???????, ? ?????????? ??????? ????? ???? astrazeneca ?? ?????? ??????? ??? ????? ?? ????? ? ???????? ??? ????????? pfizer ?? ??? biontech. ??? ?????????? ???????? ?????? ??? ? ??????? ???? ???????? johnson johnson ??? ?? ????? ??? ????????????, ???????? ??????????.
?????????? ?????? ??? ?????????? – Star
??? ??????? ????????? ????????? ?? ?????????? ?????? ??? ????????????? ??? ??????? ??? ?????? ??? Star.
?? ?????????? ?????? ??? ??????????? ???? ???????? ??? star ????? ??????? ??? astrazeneca. ??????? ?? ??? ????????? ??? ???????? ??????? ??? ??? ????????, ?????????? ??????? ??????? ???? ???????? astrazeneca ??? ????????? ???? pfizer ??? ???? johnson.
??????? ?? ?? ?????????? ??? star ??????????? ?????? ????????? ???? ????????? ???????? ????????, ?????? ????? ??? ???????? ??????. ??????? ?? ??? ????????? ??? ???????? ???????, ? ?????????? ??????? ????? ???? astrazeneca, ???????????? ?? ??? johnson johnson ??? ????? ??? pfizer. ????? ????????? ?? ????????? ??? ?? Star ???????? ?? ???????? ??? ????????? ??? ?????????????? ??? ???????, ??????????? ?????????? ?????????????? ??? ???????? ???? ?????????? ???.
?????, ????????? ????? ???? ??????? ??? ?????? ??? ??????? ?? ??????? ????? ? ??????????? ??? ???????????? ??? ?????????? ??? ???????? ??? ??????, ??????????? ?? ???????????? ??? ????????? ???? ????? ?????? ??? ??????????? ??? ??? ???? ??? ??? ???? ??? ?????????? ??????????. ? ???????? ??????? ??????????? ?? ????? ?????????? heatmap, ?????????? ?? 20 ??? ????? ?????? ???? ?????. ??? ??????????? ?????? ????? ?? ????? ??? ??????? ??? ???????????? ??? ?????, ???? ??????????? ????? ????? ?????? ????.
????????? ?????? – Skai
???? ??????????? ??? ???????? ???????, ?? ??????? ?? ?? ?????????? ??????? ?????????? ????? ?? 119 ??? ?? 115. ?? ?????? ??? ??????????? ?????? ?????? ???? ?????? ?????:
- ?????????: ??????? ?? ??????? ? ????????? ???????? ??????????? ??? ??? ??? 85 ????.
- ???????????: ??? ?????????? ?? ???????? – ?????????? ???????.
????????? ?????? – Star
??? ???????? ??????? ??? ?? ??????????? ????? ????? ??? star ?? ??? ??????? ?? ?? ?????????? ??????? ?????????? ????? ?? 408 ??? ?? 418. ?? ?????? ???? ?????:
- ??????? 12 – 15 ????: ?? ???????? ? ???????? ???????????.
- ??????: ?? ??????? ??? AstraZeneca ??? ?????????? ??? ???? ??? ??? 65 ????.
?????????????? ??? ?? ??? heatmap, ???????????? ?????????? ????????? ??? ????? ??? Star ?? ????? ?? ???? ??? skai. ?? ??????? ??? ?????????? ??? ?????? ??? Star ???????? ??? ?? 0,5 ?????? ??? ?? 0,92,??? ?? ????? ??? skai ???????? ??? ?? 0,004 ??? ??????? ??? ?? 0,93.
??????????? ?? ????? ????????????????? ? ??????? ??? ????????????????, ????? ??????? ????????? ???????????? ??? twitter ??? ???? ???????????? ??? skai, ??? in.gr ??? ??? ?????????? ??? ????????? (efsyn) ??? ??? ???? ??????. ?????? ???? ?? ????????? ??????????????? ??????????? ??? ??????????? ?? ??????????? ?????, ?? ???????? ??? ????????? ???????, ???????? ?????????? ????? ???????????, ???? ????? ??? (???????????) ?????? ?????? ???? ????????????? ??? ????????????? ??????? ??? ?????????. ? ??????? ??? ???????????? ???????????????? ???? ??? ????????? ????????????? ?????? ???? ????????????, ???? ???????-???????-???????????, ??????????? ?? ??????????? ???? ??? ???????????? ??? ??????? ?? ???? ??? ???????????.
?? ?????? ?? ????????? ?? ??????? ??? ????? ????????? ??? ???? ?????? ??? star ??? twitter, ???? ??? ??????? ??????????? ?? ????? ?? ?????????? ?? ?? ??????? ??? ??? covid, ????? ? ??????? ???????? ?? ??????????? ??? ?? ?????????? ?? ????????? ??? ??? ??? ???????? ???, ???? ??? ??????? ??? twitter ??? ??? ??? ???????????????? ???????.
??? ???????? ????????? ???????? ??? ?????? ??? ????????????, ??? ??????? ?? ???????, ?? ?????????? ????.
???????????? – Skai
? ??????? ??? ???????????? ??? skai ???? ??? ???? ?????? ????? 321. ?? ???????????? ???????????? ?? ??? ????? ????? 21, ??? 29? ??????? ??? ?? ????????? ????? 4, ??? 12? ??? 20? ???????.
???????????? – In.gr
? ??????? ??? ???????????? ??? in.gr ???? ??? ???? ?????? ????? 175. ?? ???????????? ???????????? ?? ??? ????? ????? 13, ??? 11? ??? 30? ??????? ??? ? ???????? ????? 1, ??? 10? ???????.
???????????? – Efsyn
? ??????? ??? ???????????? ??? efsyn ???? ??? ???? ?????? ????? 61. ?? ???????????? ???????????? ?? ??? ????? ????? 7, ??? 29? ??????? ??? ? ???????? ????? 1, ??? ??? ?????? 4, 6, 13, 16, 23, 26 ??? 27 ???????.
?????????????? ??? ??? ?????? ???????????? ??? twitter, ?? ??????? ??? skai ??? ??? in.gr ???????? ?? ?????? ?????????? ???????? ???? ????????? ??? ??? covid ??? ?? ???????, ??? ???? ?????????? ????????? ??? ???????????? ??? Twitter. ?? ?????? ?? ????????? ?????? ??? ?? skai ??? ?? in.gr ??????????? ???? ??? ?????? ??? ???? ?????? ??? ??????????? ?? ??? covid, ??? ? ?????? ??? efsyn ??? ?????? 5, 10, 19, 20, 21 ??? 24 ??? ???? ??????? ??? ??????????? ???????.
?????, ???????????????? ?????????????? ??????? (sentiment analysis) ??? ??????????? ??? ???????????? ??????????? ?? ?????????? ??? ?????????? ??? ??? ???????????? ??? ????????????? ?? ????????????? ??????????????? ???????.
???????? ??????????? ??????
??? ???????? ??????? ???????? ? ?????????? ??? ????????? ?? ????????????, ?? ?? ?????? ??? efsyn ?? ???? ?? ?????????? ??????? ?????????? ???? ??? ?? ?????????? ?????????? ?????? ??? ?????????????. ?? ????????? ??? ??????? ????????????? ????????? ?????????? ??? ????? ????, ????????? ?????? ?????????? ???????????. ?? ?????????? ??????? ??????????? ???????? ?? ????? ???? ??? 25 ???????, ??? ?? ?????????? ???? ???? 10 ???????.
???????? ????????????? ??????
??? ????????? ??????? ???????? ? ???????????? ??? ????????? ?? ????????????, ?? ?? ?????? ??? efsyn ?? ???? ??? ???? ?? ?????????? ??????? ????????????? ???? ??? ?? ?????????? ?????????? ?????? ??? ?????????????. ?? ????????? ??? ??????? ????????????? ????????? ???????????? ??? ????? ????, ????????? ?????? ?????????? ???????????, ?? ???????? ???????? ??? ????? ??? ????????????? ??? ?? ?????? ??? in.gr ???? ??? 25 ???????. ?? ?????????? ??????? ????????????? ???????? ?? ?????????? ?? ??? ??????????, ?? ?? ????? ?? ????? ?????? ??? 7?? – 12?? ??? 22?? – 26?? ???????. ???? ???????? ????, ?? ?????????? ??????? ????????????? ??????????? ??? ???????? ??? 15 ??? 20 ??? ??? 25 ??? 30 ???????.
???????????? ???????
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? ??????? ???????????????? ???? ??? ??????? ??????????????? Python ??? ??? ?????????? ??? Google Colab.
?? ?????????? ????? ??? ?????????? ??? ?????????????? ???????????? ??? ?????????????? ??? Flourish.
? ??????? ??? tweets ???????????????? ??? ?????????? ??? Workbench.
?????? ??? ?????? Python ??? GitHub ???.
? ?????????? ???? ???? ??? ?????? ?????????? ??? tovima.gr. ???????? ?? ??? ?????? ???.
