{"id":32826,"date":"2023-08-04T16:00:00","date_gmt":"2023-08-04T09:00:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=32826"},"modified":"2023-08-07T16:11:49","modified_gmt":"2023-08-07T09:11:49","slug":"phuong-phap-hieu-qua-ngan-chan-phat-tan-tin-gia-thong-tin-sai-lech-tren-mang-xa-hoi","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/phuong-phap-hieu-qua-ngan-chan-phat-tan-tin-gia-thong-tin-sai-lech-tren-mang-xa-hoi\/","title":{"rendered":"Ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7u qu\u1ea3 ng\u0103n ch\u1eb7n ph\u00e1t t\u00e1n tin gi\u1ea3, th\u00f4ng tin sai l\u1ec7ch tr\u00ean m\u1ea1ng x\u00e3 h\u1ed9i"},"content":{"rendered":"\n

15:43, 31\/07\/2023(SHTT) – Nh\u1eb1m ng\u0103n ch\u1eb7n tin gi\u1ea3, th\u00f4ng tin sai l\u1ec7ch \u0111\u01b0\u1ee3c ph\u00e1t t\u00e1n, nh\u00f3m nghi\u00ean c\u1ee9u t\u1ea1i Vi\u1ec7n H\u00e0n l\u00e2m khoa h\u1ecdc v\u00e0 c\u00f4ng ngh\u1ec7 Vi\u1ec7t Nam \u0111\u00e3 nghi\u00ean c\u1ee9u v\u00e0 \u0111\u1ec1 xu\u1ea5t c\u00e1c ph\u01b0\u01a1ng ph\u00e1p, k\u1ef9 thu\u1eadt m\u1edbi c\u00f3 t\u00ednh hi\u1ec7u qu\u1ea3 cao.<\/p>\n\n\n\n

V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng c\u1ee7a c\u00f4ng ngh\u1ec7 th\u00f4ng tin v\u00e0 s\u1ef1 ph\u1ed5 bi\u1ebfn c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb c\u00f4ng ngh\u1ec7 th\u00f4ng minh, tIn gi\u1ea3<\/a>, th\u00f4ng tin sai l\u1ec7ch d\u1ea7n tr\u1edf th\u00e0nh v\u1ea5n n\u1ea1n l\u1edbn v\u00e0 ti\u1ec1m \u1ea9n nguy c\u01a1 cao v\u1ec1 nh\u1eefng v\u1ea5n \u0111\u1ec1 g\u00e2y \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c t\u1edbi ng\u01b0\u1eddi d\u00f9ng m\u1ea1ng.<\/p>\n\n\n\n

\"tin-gia-faked-news\"\/
 <\/figcaption><\/figure><\/div>\n\n\n\n

Nh\u1eb1m gi\u1ea3i quy\u1ebft b\u00e0i to\u00e1n ng\u0103n ch\u1eb7n lan truy\u1ec1n th\u00f4ng tin sai l\u1ec7ch v\u00e0 \u0111\u1ec1 xu\u1ea5t c\u00e1c ph\u01b0\u01a1ng ph\u00e1p, k\u1ef9 thu\u1eadt hi\u1ec7u qu\u1ea3 gi\u00fap h\u1ea1n ch\u1ebf lan truy\u1ec1n th\u00f4ng tin sai l\u1ec7ch, PGS.TS. Nguy\u1ec5n Vi\u1ec7t Anh v\u00e0 nh\u00f3m nghi\u00ean c\u1ee9u Vi\u1ec7n C\u00f4ng ngh\u1ec7 th\u00f4ng tin thu\u1ed9cVi\u1ec7n H\u00e0n l\u00e2m khoa h\u1ecdc v\u00e0 c\u00f4ng ngh\u1ec7 Vi\u1ec7t Nam<\/a> \u0111\u00e3 ti\u1ebfn h\u00e0nh th\u1ef1c hi\u1ec7n \u0111\u1ec1 t\u00e0i: \u201cNghi\u00ean c\u1ee9u ph\u00e1t tri\u1ec3n c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7u qu\u1ea3 ng\u0103n ch\u1eb7n ph\u00e1t t\u00e1n th\u00f4ng tin sai l\u1ec7ch tr\u00ean m\u1ea1ng x\u00e3 h\u1ed9i\u201d (M\u00e3 s\u1ed1: VAST01.05\/21-22). \u0110\u1ec1 t\u00e0i \u0111\u01b0\u1ee3c H\u1ed9i \u0111\u1ed3ng nghi\u1ec7m thu c\u1ea5p Vi\u1ec7n H\u00e0n l\u00e2m KHCNVN x\u1ebfp lo\u1ea1i B.<\/p>\n\n\n\n

M\u1ee5c ti\u00eau c\u1ee7a nghi\u00ean c\u1ee9u l\u00e0 t\u1ea1o ra c\u00e1c c\u01a1 ch\u1ebf v\u00e0 m\u00f4 h\u00ecnh lan truy\u1ec1n th\u00f4ng tin n\u00f3i chung v\u00e0 th\u00f4ng tin sai l\u1ec7ch n\u00f3i ri\u00eang tr\u00ean c\u00e1c m\u1ea1ng x\u00e3 h\u1ed9i tr\u1ef1c tuy\u1ebfn. X\u00e1c \u0111\u1ecbnh v\u00e0 ph\u00e2n t\u00edch c\u00e1c \u0111\u1eb7c tr\u01b0ng c\u1ee7a th\u00f4ng tin sai l\u1ec7ch, c\u00e1c nh\u00e2n t\u1ed1 \u1ea3nh h\u01b0\u1edfng tr\u00ean m\u1ea1ng x\u00e3 h\u1ed9i \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c ph\u00e1t t\u00e1n th\u00f4ng tin. \u0110\u1ed3ng th\u1eddi, \u0111\u1ec1 xu\u1ea5t c\u00e1c ph\u01b0\u01a1ng ph\u00e1p, k\u1ef9 thu\u1eadt hi\u1ec7u qu\u1ea3 gi\u00fap h\u1ea1n ch\u1ebf lan truy\u1ec1n th\u00f4ng tin sai l\u1ec7ch. T\u1eadp trung v\u00e0o b\u00e0i to\u00e1n trong \u0111\u00f3 th\u00f4ng tin \u0111\u01b0\u1ee3c ph\u00e1t t\u00e1n t\u1eeb nhi\u1ec1u ngu\u1ed3n, thu\u1ed9c nhi\u1ec1u ch\u1ee7 \u0111\u1ec1 kh\u00e1c nhau, c\u01a1 ch\u1ebf ph\u00e1t t\u00e1n thay \u0111\u1ed5i theo th\u1eddi gian, \u0111\u1ed3ng th\u1eddi ph\u1ea3i th\u1ecfa m\u00e3n c\u00e1c r\u00e0ng bu\u1ed9c v\u1ec1 chi ph\u00ed ng\u0103n ch\u1eb7n. Nh\u00f3m c\u0169ng x\u00e2y d\u1ef1ng, th\u1eed nghi\u1ec7m, \u0111\u00e1nh gi\u00e1 hi\u1ec7u qu\u1ea3 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec1 xu\u1ea5t tr\u00ean c\u00e1c b\u1ed9 d\u1eef li\u1ec7u m\u00f4 ph\u1ecfng v\u00e0 d\u1eef li\u1ec7u t\u1eeb c\u00e1c m\u1ea1ng x\u00e3 h\u1ed9i th\u1ef1c.<\/p>\n\n\n\n

Hi\u1ec7n nay, th\u1ebf gi\u1edbi c\u0169ng \u0111\u00e3 xu\u1ea5t hi\u1ec7n nhi\u1ec1u m\u00f4 h\u00ecnh lan truy\u1ec1n th\u00f4ng tin, c\u00e1c m\u00f4 h\u00ecnh n\u00e0y \u0111\u00e3 ph\u00e1t huy \u0111\u01b0\u1ee3c vai tr\u00f2 trong nghi\u00ean c\u1ee9u l\u00fd thuy\u1ebft c\u0169ng nh\u01b0 th\u1ef1c h\u00e0nh v\u1ec1 lan truy\u1ec1n th\u00f4ng tin v\u1edbi r\u1ea5t nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau. Trong \u0111\u00f3, c\u00f3 ba m\u00f4 h\u00ecnh lan truy\u1ec1n \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng nhi\u1ec1u nh\u1ea5t l\u00e0 m\u00f4 h\u00ecnh Ng\u01b0\u1ee1ng tuy\u1ebfn t\u00ednh – m\u00f4 h\u00ecnh ng\u1eabu nhi\u00ean r\u1eddi r\u1ea1c trong \u0111\u00f3 th\u00f4ng tin \u0111\u01b0\u1ee3c lan truy\u1ec1n theo c\u00e1c b\u01b0\u1edbc th\u1eddi gian r\u1eddi r\u1ea1c; m\u00f4 h\u00ecnh B\u1eadc \u0111\u1ed9c l\u1eadp v\u1edbi \u0111\u1eb7c tr\u01b0ng ch\u00ednh l\u00e0 qu\u00e1 tr\u00ecnh lan truy\u1ec1n th\u00f4ng tin theo t\u1eebng c\u1ea1nh m\u1ed9t c\u00e1ch \u0111\u1ed9c l\u1eadp; m\u00f4 h\u00ecnh SIR l\u00e0 m\u1ed9t m\u00f4 h\u00ecnh to\u00e1n h\u1ecdc c\u01a1 b\u1ea3n v\u1ec1 d\u1ecbch b\u1ec7nh, \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u trong b\u00e0i b\u00e1o kinh \u0111i\u1ec3n c\u1ee7a Kermack v\u00e0 McKendrick, sau \u0111\u00f3 c\u0169ng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng trong d\u1ef1 b\u00e1o lan truy\u1ec1n th\u00f4ng tin. \u0110\u1ec1 t\u00e0i n\u00e0y c\u00f3 s\u1eed d\u1ee5ng, k\u1ebf th\u1eeba, c\u1ea3i ti\u1ebfn m\u00f4 h\u00ecnh Ng\u01b0\u1ee1ng tuy\u1ebfn t\u00ednh v\u00e0 m\u00f4 h\u00ecnh B\u1eadc \u0111\u1ed9c l\u1eadp trong c\u00e1c n\u1ed9i dung nghi\u00ean c\u1ee9u.<\/p>\n\n\n\n

Trong nghi\u00ean c\u1ee9u c\u1ee7a c\u00e1c nh\u00e0 khoa h\u1ecdc Vi\u1ec7t Nam, vi\u1ec7c h\u1ea1n ch\u1ebf lan truy\u1ec1n th\u00f4ng tin sai l\u1ec7ch tr\u00ean m\u1ea1ng x\u00e3 h\u1ed9i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u00ean c\u01a1 s\u1edf ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c c\u00e1c con \u0111\u01b0\u1eddng lan truy\u1ec1n th\u00f4ng tin (c\u01a1 ch\u1ebf lan truy\u1ec1n, s\u01a1 \u0111\u1ed3 lan truy\u1ec1n), sau \u0111\u00f3  ph\u1ea3i x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c c\u00e1c n\u00fat m\u1ea1ng trung gian \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c ph\u00e1t t\u00e1n \u0111\u1ec3  ti\u1ebfn h\u00e0nh ng\u0103n ch\u1eb7n. C\u00f3 nhi\u1ec1u k\u1ef9 thu\u1eadt h\u1ea1n ch\u1ebf lan truy\u1ec1n th\u00f4ng tin sai l\u1ec7ch \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t, trong \u0111\u00f3 n\u1ed5i b\u1eadt l\u00e0 ba k\u1ef9 thu\u1eadt: K\u1ef9 thu\u1eadt ng\u0103n ch\u1eb7n \u1ea3nh h\u01b0\u1edfng, K\u1ef9 thu\u1eadt v\u00f4 hi\u1ec7u h\u00f3a ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c t\u1eadp li\u00ean k\u1ebft, K\u1ef9 thu\u1eadt t\u1ea9y nhi\u1ec5m th\u00f4ng tin.<\/p>\n\n\n\n

\"Thongtin.1\"\/
 M\u00f4 h\u00ecnh t\u1ed5ng th\u1ec3 h\u1ec7 th\u1ed1ng<\/strong><\/figcaption><\/figure>\n\n\n\n
\"Thongtin.2\"\/
Giao di\u1ec7n h\u1ec7 th\u1ed1ng<\/strong><\/figcaption><\/figure>\n\n\n\n

Trong \u0111\u1ec1 t\u00e0i n\u00e0y, nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 th\u1ef1c hi\u1ec7n theo K\u1ef9 thu\u1eadt v\u00f4 hi\u1ec7u h\u00f3a ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c t\u1eadp li\u00ean k\u1ebft, \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 tr\u00ean m\u1ea1ng s\u1ebd c\u00f3 m\u1ed9t t\u1eadp ng\u01b0\u1eddi d\u00f9ng b\u1ecb c\u00f4 l\u1eadp, th\u00f4ng tin sai l\u1ec7ch lan truy\u1ec1n \u0111\u1ebfn tr\u01b0\u1edbc t\u1eadp n\u00fat n\u00e0y v\u00e0 d\u1eebng l\u1ea1i, kh\u00f4ng th\u1ec3 lan truy\u1ec1n ti\u1ebfp \u0111\u1ebfn c\u00e1c n\u00fat kh\u00e1c. T\u1eadp n\u00fat m\u1ea1ng n\u00e0y \u0111\u01b0\u1ee3c xem nh\u01b0 l\u00e0 h\u00e0ng r\u00e0o ch\u1eafn, ng\u0103n ch\u1eb7n lan truy\u1ec1n th\u00f4ng tin sai l\u1ec7ch. C\u1ee5 th\u1ec3, nh\u00f3m \u0111\u00e3 s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p \u201cTi\u00eam v\u1eafc xin\u201d, v\u1edbi 2 thu\u1eadt to\u00e1n: Thu\u1eadt to\u00e1n tham lam c\u00f3 c\u1ea3i ti\u1ebfn IGA v\u00e0 Thu\u1eadt to\u00e1n tham lam m\u1edf r\u1ed9ng GEA \u0111\u1ec3 ng\u0103n ch\u1eb7n lan truy\u1ec1n th\u00f4ng tin sai l\u1ec7ch tr\u00ean m\u1ea1ng x\u00e3 h\u1ed9i tr\u1ef1c tuy\u1ebfn v\u1edbi t\u1eadp d\u1eef li\u1ec7u m\u00f4 ph\u1ecfng th\u1eed nghi\u1ec7m. C\u1ea3 2 thu\u1eadt to\u00e1n \u0111\u1ec1u \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 trong b\u00e1o c\u00e1o khoa h\u1ecdc v\u1ec1 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p, k\u1ef9 thu\u1eadt ng\u0103n ch\u1eb7n lan truy\u1ec1n th\u00f4ng tin sai l\u1ec7ch tr\u00ean m\u1ea1ng x\u00e3 h\u1ed9i tr\u1ef1c tuy\u1ebfn.<\/p>\n\n\n\n

\u0110\u1ec1 t\u00e0i \u0111\u00e3 x\u00e2y d\u1ef1ng ch\u01b0\u01a1ng tr\u00ecnh th\u1eed nghi\u1ec7m ng\u0103n ch\u1eb7n lan truy\u1ec1n th\u00f4ng tin sai l\u1ec7ch tr\u00ean m\u1ea1ng x\u00e3 h\u1ed9i tr\u1ef1c tuy\u1ebfn. Nh\u00f3m \u0111\u00e3 ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m, \u0111\u00e1nh gi\u00e1 k\u1ebft qu\u1ea3 ch\u1ea1y ch\u01b0\u01a1ng tr\u00ecnh ng\u0103n ch\u1eb7n lan truy\u1ec1n th\u00f4ng tin sai l\u1ec7ch tr\u00ean m\u1ea1ng x\u00e3 h\u1ed9i tr\u1ef1c tuy\u1ebfn v\u1edbi \u0111\u1ea7u v\u00e0o l\u00e0 c\u00e1c m\u1ea1ng x\u00e3 h\u1ed9i th\u1ef1c \u0111\u01b0\u1ee3c tinh l\u1ecdc c\u00e1c y\u1ebfu t\u1ed1 ri\u00eang t\u01b0.<\/p>\n\n\n\n

B\u00ean c\u1ea1nh \u0111\u00f3, nh\u00f3m \u0111\u00e3 c\u00f4ng b\u1ed1 02 b\u00e0i b\u00e1o khoa h\u1ecdc li\u00ean quan \u0111\u1ebfn n\u1ed9i dung nghi\u00ean c\u1ee9u: 01 b\u00e0i b\u00e1o qu\u1ed1c t\u1ebf \u0111\u0103ng tr\u00ean t\u1ea1p ch\u00ed Optimazation letter thu\u1ed9c danh m\u1ee5c SCIE n\u0103m 2022 (SCIE Q1); 01 b\u00e0i b\u00e1o tr\u00ean Chuy\u00ean san C\u00e1c c\u00f4ng tr\u00ecnh nghi\u00ean c\u1ee9u, ph\u00e1t tri\u1ec3n v\u00e0 \u1ee9ng d\u1ee5ng C\u00f4ng ngh\u1ec7 Th\u00f4ng tin v\u00e0 Truy\u1ec1n th\u00f4ng, t\u1eadp 2021, s\u1ed1 2, trang 104-111, 2021.<\/p>\n\n\n\n

Qu\u1ef3nh Trang<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

15:43, 31\/07\/2023(SHTT) – Nh\u1eb1m ng\u0103n ch\u1eb7n tin gi\u1ea3, th\u00f4ng tin sai l\u1ec7ch \u0111\u01b0\u1ee3c ph\u00e1t t\u00e1n, nh\u00f3m nghi\u00ean c\u1ee9u t\u1ea1i Vi\u1ec7n H\u00e0n l\u00e2m khoa h\u1ecdc v\u00e0 c\u00f4ng ngh\u1ec7 Vi\u1ec7t Nam \u0111\u00e3 nghi\u00ean c\u1ee9u v\u00e0 \u0111\u1ec1 xu\u1ea5t c\u00e1c ph\u01b0\u01a1ng ph\u00e1p, k\u1ef9 thu\u1eadt m\u1edbi c\u00f3 t\u00ednh hi\u1ec7u qu\u1ea3 cao. V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng c\u1ee7a c\u00f4ng ngh\u1ec7 […]<\/p>\n","protected":false},"author":26,"featured_media":32827,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-32826","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/32826","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/users\/26"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=32826"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/32826\/revisions"}],"predecessor-version":[{"id":32828,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/32826\/revisions\/32828"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/32827"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=32826"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=32826"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=32826"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}