{"id":580124,"date":"2023-12-28T03:15:12","date_gmt":"2023-12-28T03:15:12","guid":{"rendered":"https:\/\/proxyelite.info\/glossary\/dsp-demand-side-platform\/"},"modified":"2023-12-28T03:15:12","modified_gmt":"2023-12-28T03:15:12","slug":"dsp-demand-side-platform","status":"publish","type":"glossary","link":"https:\/\/proxyelite.info\/vi\/glossary\/dsp-demand-side-platform\/","title":{"rendered":"DSP (N\u1ec1n t\u1ea3ng b\u00ean c\u1ea7u)"},"content":{"rendered":"<h2>Th\u00f4ng tin t\u00f3m t\u1eaft v\u1ec1 DSP (N\u1ec1n t\u1ea3ng b\u00ean c\u1ea7u)<\/h2>\n<p>N\u1ec1n t\u1ea3ng b\u00ean c\u1ea7u (DSP) l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n quan tr\u1ecdng trong th\u1ebf gi\u1edbi qu\u1ea3ng c\u00e1o tr\u1ef1c tuy\u1ebfn v\u00e0 mua h\u00e0ng theo ch\u01b0\u01a1ng tr\u00ecnh. DSP l\u00e0 n\u1ec1n t\u1ea3ng ph\u1ea7n m\u1ec1m cho ph\u00e9p nh\u00e0 qu\u1ea3ng c\u00e1o v\u00e0 \u0111\u1ea1i l\u00fd mua v\u00e0 qu\u1ea3n l\u00fd kho\u1ea3ng kh\u00f4ng qu\u1ea3ng c\u00e1o k\u1ef9 thu\u1eadt s\u1ed1 tr\u00ean nhi\u1ec1u s\u00e0n giao d\u1ecbch qu\u1ea3ng c\u00e1o, nh\u00e0 cung c\u1ea5p d\u1eef li\u1ec7u v\u00e0 trang web. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd \u0111i s\u00e2u v\u00e0o c\u00e1c chi ti\u1ebft ph\u1ee9c t\u1ea1p c\u1ee7a DSP, c\u00e1c t\u00ednh n\u0103ng ch\u00ednh, lo\u1ea1i, c\u00e1ch s\u1eed d\u1ee5ng, th\u00e1ch th\u1ee9c v\u00e0 kh\u1ea3 n\u0103ng ph\u1ed1i h\u1ee3p ti\u1ec1m n\u0103ng c\u1ee7a ch\u00fang v\u1edbi m\u00e1y ch\u1ee7 proxy.<\/p>\n<h2>Th\u00f4ng tin chi ti\u1ebft v\u1ec1 DSP (N\u1ec1n t\u1ea3ng b\u00ean c\u1ea7u)<\/h2>\n<p>DSP \u0111\u00e3 c\u00e1ch m\u1ea1ng h\u00f3a ng\u00e0nh qu\u1ea3ng c\u00e1o b\u1eb1ng c\u00e1ch h\u1ee3p l\u00fd h\u00f3a quy tr\u00ecnh mua qu\u1ea3ng c\u00e1o. Nh\u00e0 qu\u1ea3ng c\u00e1o c\u00f3 th\u1ec3 truy c\u1eadp v\u00e0o nhi\u1ec1u l\u01b0\u1ee3t hi\u1ec3n th\u1ecb qu\u1ea3ng c\u00e1o trong th\u1eddi gian th\u1ef1c, cho ph\u00e9p h\u1ecd nh\u1eafm m\u1ee5c ti\u00eau \u0111\u1ed1i t\u01b0\u1ee3ng mong mu\u1ed1n m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. \u1ede \u0111\u00e2y, ch\u00fang ta s\u1ebd kh\u00e1m ph\u00e1 DSP s\u00e2u h\u01a1n.<\/p>\n<h2>Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a DSP (N\u1ec1n t\u1ea3ng b\u00ean c\u1ea7u)<\/h2>\n<p>DSP t\u1ef1 h\u00e0o c\u00f3 r\u1ea5t nhi\u1ec1u t\u00ednh n\u0103ng h\u1ed7 tr\u1ee3 c\u00e1c nh\u00e0 qu\u1ea3ng c\u00e1o v\u00e0 \u0111\u1ea1i l\u00fd trong chi\u1ebfn d\u1ecbch qu\u1ea3ng c\u00e1o c\u1ee7a h\u1ecd. H\u00e3y ph\u00e2n t\u00edch m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng ch\u00ednh:<\/p>\n<h3>\u0110\u1eb7t gi\u00e1 th\u1ea7u theo th\u1eddi gian th\u1ef1c (RTB)<\/h3>\n<p>DSP s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 RTB, cho ph\u00e9p nh\u00e0 qu\u1ea3ng c\u00e1o \u0111\u1eb7t gi\u00e1 th\u1ea7u cho s\u1ed1 l\u1ea7n hi\u1ec3n th\u1ecb qu\u1ea3ng c\u00e1o trong c\u00e1c phi\u00ean \u0111\u1ea5u gi\u00e1 theo th\u1eddi gian th\u1ef1c. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o s\u1eed d\u1ee5ng hi\u1ec7u qu\u1ea3 ng\u00e2n s\u00e1ch qu\u1ea3ng c\u00e1o v\u00e0 nh\u1eafm m\u1ee5c ti\u00eau \u0111\u1ed1i t\u01b0\u1ee3ng ch\u00ednh x\u00e1c.<\/p>\n<h3>Nh\u1eafm m\u1ee5c ti\u00eau theo \u0111\u1ed1i t\u01b0\u1ee3ng<\/h3>\n<p>Nh\u00e0 qu\u1ea3ng c\u00e1o c\u00f3 th\u1ec3 t\u1ea1o c\u00e1c chi\u1ebfn d\u1ecbch qu\u1ea3ng c\u00e1o \u0111\u01b0\u1ee3c nh\u1eafm m\u1ee5c ti\u00eau cao d\u1ef1a tr\u00ean nh\u00e2n kh\u1ea9u h\u1ecdc, s\u1edf th\u00edch, l\u1ecbch s\u1eed duy\u1ec7t web, v.v., \u0111\u1ea3m b\u1ea3o th\u00f4ng \u0111i\u1ec7p c\u1ee7a h\u1ecd \u0111\u1ebfn \u0111\u00fang \u0111\u1ed1i t\u01b0\u1ee3ng.<\/p>\n<h3>T\u00edch h\u1ee3p d\u1eef li\u1ec7u<\/h3>\n<p>DSP t\u00edch h\u1ee3p v\u1edbi nhi\u1ec1u nh\u00e0 cung c\u1ea5p d\u1eef li\u1ec7u kh\u00e1c nhau, cho ph\u00e9p nh\u00e0 qu\u1ea3ng c\u00e1o t\u1eadn d\u1ee5ng th\u00f4ng tin chi ti\u1ebft d\u1ef1a tr\u00ean d\u1eef li\u1ec7u \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a chi\u1ebfn d\u1ecbch t\u1ed1t h\u01a1n.<\/p>\n<h3>Qu\u1ea3n l\u00fd kho\u1ea3ng kh\u00f4ng qu\u1ea3ng c\u00e1o<\/h3>\n<p>DSP cung c\u1ea5p n\u1ec1n t\u1ea3ng th\u1ed1ng nh\u1ea5t \u0111\u1ec3 qu\u1ea3n l\u00fd kho\u1ea3ng kh\u00f4ng qu\u1ea3ng c\u00e1o t\u1eeb nhi\u1ec1u ngu\u1ed3n kh\u00e1c nhau, \u0111\u01a1n gi\u1ea3n h\u00f3a quy tr\u00ecnh mua.<\/p>\n<h3>Ph\u00e2n t\u00edch hi\u1ec7u su\u1ea5t<\/h3>\n<p>C\u00e1c c\u00f4ng c\u1ee5 b\u00e1o c\u00e1o v\u00e0 ph\u00e2n t\u00edch to\u00e0n di\u1ec7n gi\u00fap nh\u00e0 qu\u1ea3ng c\u00e1o \u0111o l\u01b0\u1eddng m\u1ee9c \u0111\u1ed9 th\u00e0nh c\u00f4ng c\u1ee7a chi\u1ebfn d\u1ecbch v\u00e0 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh d\u1ef1a tr\u00ean d\u1eef li\u1ec7u.<\/p>\n<h2>C\u00e1c lo\u1ea1i DSP (N\u1ec1n t\u1ea3ng b\u00ean c\u1ea7u)<\/h2>\n<p>DSP c\u00f3 nhi\u1ec1u lo\u1ea1i kh\u00e1c nhau, m\u1ed7i lo\u1ea1i ph\u1ee5c v\u1ee5 cho c\u00e1c nhu c\u1ea7u c\u1ee5 th\u1ec3. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 lo\u1ea1i DSP ph\u1ed5 bi\u1ebfn:<\/p>\n<table>\n<thead>\n<tr>\n<th>Ki\u1ec3u<\/th>\n<th>S\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>DSP t\u1ef1 ph\u1ee5c v\u1ee5<\/td>\n<td>Nh\u00e0 qu\u1ea3ng c\u00e1o qu\u1ea3n l\u00fd chi\u1ebfn d\u1ecbch m\u1ed9t c\u00e1ch \u0111\u1ed9c l\u1eadp.<\/td>\n<\/tr>\n<tr>\n<td>DSP \u0111\u1ea7y \u0111\u1ee7 d\u1ecbch v\u1ee5<\/td>\n<td>C\u00e1c c\u01a1 quan x\u1eed l\u00fd vi\u1ec7c qu\u1ea3n l\u00fd chi\u1ebfn d\u1ecbch cho kh\u00e1ch h\u00e0ng.<\/td>\n<\/tr>\n<tr>\n<td>DSP d\u1ecdc<\/td>\n<td>Chuy\u00ean d\u1ee5ng cho c\u00e1c ng\u00e0nh ho\u1eb7c l\u0129nh v\u1ef1c c\u1ee5 th\u1ec3.<\/td>\n<\/tr>\n<tr>\n<td>DSP di \u0111\u1ed9ng<\/td>\n<td>T\u1eadp trung v\u00e0o c\u00e1c k\u00eanh qu\u1ea3ng c\u00e1o tr\u00ean thi\u1ebft b\u1ecb di \u0111\u1ed9ng.<\/td>\n<\/tr>\n<tr>\n<td>DSP video<\/td>\n<td>T\u1ed1i \u01b0u h\u00f3a cho c\u00e1c \u0111\u1ecbnh d\u1ea1ng qu\u1ea3ng c\u00e1o video.<\/td>\n<\/tr>\n<tr>\n<td>DSP truy\u1ec1n th\u00f4ng x\u00e3 h\u1ed9i<\/td>\n<td>Ph\u00f9 h\u1ee3p cho qu\u1ea3ng c\u00e1o tr\u00ean n\u1ec1n t\u1ea3ng x\u00e3 h\u1ed9i.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng DSP (N\u1ec1n t\u1ea3ng b\u00ean c\u1ea7u) v\u00e0 nh\u1eefng th\u00e1ch th\u1ee9c li\u00ean quan<\/h2>\n<p>M\u1eb7c d\u00f9 DSP mang l\u1ea1i nh\u1eefng l\u1ee3i \u00edch to l\u1edbn nh\u01b0ng ch\u00fang c\u0169ng c\u00f3 nh\u1eefng th\u00e1ch th\u1ee9c. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 c\u00e1ch ph\u1ed5 bi\u1ebfn \u0111\u1ec3 s\u1eed d\u1ee5ng DSP c\u0169ng nh\u01b0 c\u00e1c v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p li\u00ean quan:<\/p>\n<h3>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/h3>\n<ol>\n<li><strong>Nh\u1eadn th\u1ee9c v\u1ec1 th\u01b0\u01a1ng hi\u1ec7u<\/strong>: Ch\u1ea1y qu\u1ea3ng c\u00e1o hi\u1ec3n th\u1ecb h\u00ecnh \u1ea3nh \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng hi\u1ec3n th\u1ecb th\u01b0\u01a1ng hi\u1ec7u.<\/li>\n<li><strong>T\u1ea1o kh\u00e1ch h\u00e0ng ti\u1ec1m n\u0103ng<\/strong>: Nh\u1eafm m\u1ee5c ti\u00eau kh\u00e1ch h\u00e0ng ti\u1ec1m n\u0103ng \u0111\u1ec3 t\u1ea1o ra kh\u00e1ch h\u00e0ng ti\u1ec1m n\u0103ng.<\/li>\n<li><strong>Nh\u1eafm m\u1ee5c ti\u00eau l\u1ea1i<\/strong>: T\u01b0\u01a1ng t\u00e1c l\u1ea1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi d\u00f9ng \u0111\u00e3 truy c\u1eadp trang web c\u1ee7a b\u1ea1n tr\u01b0\u1edbc \u0111\u00e2y.<\/li>\n<\/ol>\n<h3>Nh\u1eefng th\u00e1ch th\u1ee9c v\u00e0 gi\u1ea3i ph\u00e1p<\/h3>\n<ul>\n<li><strong>Gian l\u1eadn qu\u1ea3ng c\u00e1o<\/strong>: Tri\u1ec3n khai c\u00e1c c\u00f4ng c\u1ee5 ph\u00e1t hi\u1ec7n gian l\u1eadn \u0111\u1ec3 ch\u1ed1ng gian l\u1eadn qu\u1ea3ng c\u00e1o.<\/li>\n<li><strong>Ch\u1eb7n qu\u1ea3ng c\u00e1o<\/strong>: T\u1ea1o qu\u1ea3ng c\u00e1o h\u1ea5p d\u1eabn, kh\u00f4ng x\u00e2m ph\u1ea1m \u0111\u1ec3 v\u01b0\u1ee3t qua tr\u00ecnh ch\u1eb7n qu\u1ea3ng c\u00e1o.<\/li>\n<li><strong>Qu\u1ea3n l\u00fd ng\u00e2n s\u00e1ch<\/strong>: S\u1eed d\u1ee5ng t\u00ednh n\u0103ng t\u1ed1i \u01b0u h\u00f3a ng\u00e2n s\u00e1ch \u0111\u1ec3 ki\u1ec3m so\u00e1t chi ti\u00eau.<\/li>\n<\/ul>\n<h2>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 so s\u00e1nh v\u1edbi c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1<\/h2>\n<p>\u0110\u1ec3 l\u00e0m r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa DSP v\u00e0 c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1, h\u00e3y so s\u00e1nh ch\u00fang:<\/p>\n<table>\n<thead>\n<tr>\n<th>Thu\u1eadt ng\u1eef<\/th>\n<th>S\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>DSP (N\u1ec1n t\u1ea3ng b\u00ean c\u1ea7u)<\/td>\n<td>Mua kho\u1ea3ng kh\u00f4ng qu\u1ea3ng c\u00e1o thay m\u1eb7t cho nh\u00e0 qu\u1ea3ng c\u00e1o.<\/td>\n<\/tr>\n<tr>\n<td>SSP (N\u1ec1n t\u1ea3ng b\u00ean cung c\u1ea5p)<\/td>\n<td>B\u00e1n kho\u1ea3ng kh\u00f4ng qu\u1ea3ng c\u00e1o thay m\u1eb7t cho nh\u00e0 xu\u1ea5t b\u1ea3n.<\/td>\n<\/tr>\n<tr>\n<td>Trao \u0111\u1ed5i qu\u1ea3ng c\u00e1o<\/td>\n<td>T\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho giao d\u1ecbch qu\u1ea3ng c\u00e1o gi\u1eefa nh\u00e0 qu\u1ea3ng c\u00e1o v\u00e0 nh\u00e0 xu\u1ea5t b\u1ea3n.<\/td>\n<\/tr>\n<tr>\n<td>K\u1ebft n\u1ed1i<\/td>\n<td>T\u1ed5ng h\u1ee3p kho\u1ea3ng kh\u00f4ng qu\u1ea3ng c\u00e1o t\u1eeb nhi\u1ec1u nh\u00e0 xu\u1ea5t b\u1ea3n.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 c\u1ee7a t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn DSP<\/h2>\n<p>T\u01b0\u01a1ng lai c\u1ee7a DSP r\u1ea5t th\u00fa v\u1ecb v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 m\u1edbi n\u1ed5i \u0111ang \u0111\u1ecbnh h\u00ecnh s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a ch\u00fang. C\u00e1c xu h\u01b0\u1edbng ch\u00ednh bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>AI v\u00e0 h\u1ecdc m\u00e1y<\/strong>: Nh\u1eafm m\u1ee5c ti\u00eau n\u00e2ng cao v\u00e0 t\u1ed1i \u01b0u h\u00f3a qu\u1ea3ng c\u00e1o.<\/li>\n<li><strong>Tu\u00e2n th\u1ee7 quy\u1ec1n ri\u00eang t\u01b0<\/strong>: Quy \u0111\u1ecbnh b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u ch\u1eb7t ch\u1ebd h\u01a1n.<\/li>\n<li><strong>T\u00edch h\u1ee3p \u0111a k\u00eanh<\/strong>: Qu\u1ea3n l\u00fd chi\u1ebfn d\u1ecbch li\u1ec1n m\u1ea1ch tr\u00ean nhi\u1ec1u k\u00eanh kh\u00e1c nhau.<\/li>\n<\/ul>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 proxy v\u1edbi DSP (N\u1ec1n t\u1ea3ng b\u00ean c\u1ea7u)<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong ho\u1ea1t \u0111\u1ed9ng c\u1ee7a DSP, mang l\u1ea1i t\u00ednh \u1ea9n danh v\u00e0 b\u1ea3o m\u1eadt. Nh\u00e0 qu\u1ea3ng c\u00e1o c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 proxy \u0111\u1ec3:<\/p>\n<ul>\n<li><strong>Nh\u1eafm m\u1ee5c ti\u00eau theo \u0111\u1ecba l\u00fd<\/strong>: Truy c\u1eadp kho\u1ea3ng kh\u00f4ng qu\u1ea3ng c\u00e1o theo v\u00f9ng c\u1ee5 th\u1ec3.<\/li>\n<li><strong>X\u00e1c minh qu\u1ea3ng c\u00e1o<\/strong>: \u0110\u1ea3m b\u1ea3o v\u1ecb tr\u00ed \u0111\u1eb7t qu\u1ea3ng c\u00e1o v\u00e0 kh\u1ea3 n\u0103ng xem.<\/li>\n<li><strong>\u1ea9n danh<\/strong>: B\u1ea3o v\u1ec7 d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m v\u00e0 duy tr\u00ec t\u00ednh \u1ea9n danh.<\/li>\n<\/ul>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<p>\u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 DSP, h\u00e3y kh\u00e1m ph\u00e1 c\u00e1c t\u00e0i nguy\u00ean sau:<\/p>\n<ol>\n<li><a target=\"_new\" rel=\"noopener\">Nguy\u00ean t\u1eafc DSP c\u1ee7a IAB<\/a><\/li>\n<li><a target=\"_new\" rel=\"noopener\">Tin t\u1ee9c DSP c\u1ee7a AdExchanger<\/a><\/li>\n<li><a target=\"_new\" rel=\"noopener\">Google Hi\u1ec3n th\u1ecb &amp; Video 360<\/a><\/li>\n<\/ol>\n<p>T\u00f3m l\u1ea1i, DSP l\u00e0 c\u00f4ng c\u1ee5 quan tr\u1ecdng trong qu\u1ea3ng c\u00e1o hi\u1ec7n \u0111\u1ea1i, cung c\u1ea5p cho nh\u00e0 qu\u1ea3ng c\u00e1o ph\u01b0\u01a1ng ti\u1ec7n \u0111\u1ec3 ti\u1ebfp c\u1eadn \u0111\u1ed1i t\u01b0\u1ee3ng m\u1ee5c ti\u00eau m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. Khi c\u00f4ng ngh\u1ec7 ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n, DSP s\u1ebd ph\u00e1t tri\u1ec3n v\u00e0 vi\u1ec7c t\u00edch h\u1ee3p ch\u00fang v\u1edbi m\u00e1y ch\u1ee7 proxy s\u1ebd mang l\u1ea1i kh\u1ea3 n\u0103ng n\u00e2ng cao cho c\u00e1c nh\u00e0 qu\u1ea3ng c\u00e1o tr\u00ean to\u00e0n th\u1ebf gi\u1edbi.<\/p>","protected":false},"featured_media":580125,"menu_order":0,"template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-580124","glossary","type-glossary","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/glossary\/580124","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":0,"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/glossary\/580124\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/media\/580125"}],"wp:attachment":[{"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/media?parent=580124"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}