{"id":165,"date":"2018-02-01T11:46:14","date_gmt":"2018-02-01T10:46:14","guid":{"rendered":"https:\/\/osadev.fh-potsdam.de\/informations-datenmanagement\/?page_id=165"},"modified":"2018-11-23T22:32:02","modified_gmt":"2018-11-23T21:32:02","slug":"suchmaschine-ii","status":"publish","type":"page","link":"https:\/\/osadev.fh-potsdam.de\/informations-datenmanagement\/aufgaben\/suchmaschine-ii\/","title":{"rendered":"Suchmaschine II (Quiz)"},"content":{"rendered":"<div class=\"row\"  id=\"row-42855206\">\n\n\t<div id=\"col-922281837\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h1><b>Suchmaschine II<br \/><\/b><\/h1>\n<p>Benutzt man eine Suchmaschine erh\u00e4lt man i.d.R. eine gro\u00dfe Anzahl<br \/>von Suchergebnissen. Um zu entscheiden, welche Treffer relevant<br \/>sind, kann man jede angezeigte Webseite aufrufen und entscheiden,<br \/>ob sie der Suchanfrage entspricht, also relevant ist oder nicht.<\/p>\n<p>Die <b>Precision<\/b> d.h. die Genauigkeit einer Treffermenge kann dabei<br \/>durch das Verh\u00e4ltnis von relevanten Treffern zur Gesamtzahl aller<br \/>Treffer ermittelt werden (Abbildung 1).<\/p>\n<p>Ein anderer Qualit\u00e4tsparameter, der <b>Recall<\/b> bestimmt die<br \/>Vollst\u00e4ndigkeit der Treffermenge, indem das Verh\u00e4ltnis von relevanten<br \/>Treffern zur Gesamtzahl aller relevanten Webseiten (im Internet)<br \/>ermittelt wird (Abbildung 2).<\/p>\n<p>Was meinen Sie, kann man Precision und Recall mithilfe einer<br \/>Suchmaschinenanfrage ermitteln?<\/p>\n<p>Bitte geben Sie ihre Antwort ein!<\/p>\n<div class=\"sm2-quiz\"><script type=\"text\/javascript\" >\ndocument.addEventListener(\"DOMContentLoaded\", function(event) { \nif(!window.jQuery) alert(\"The important jQuery library is not properly loaded in your site. Your WordPress theme is probably missing the essential wp_head() call. You can switch to another theme and you will see that the plugin works fine and this notice disappears. If you are still not sure what to do you can contact us for help.\");\n});\n<\/script>  \n  \n<div  id=\"watupro_quiz\" class=\"quiz-area single-page-quiz\">\n<p id=\"submittingExam5\" style=\"display:none;text-align:center;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/osadev.fh-potsdam.de\/informations-datenmanagement\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\"><\/p>\n\n\n\n<form action=\"\" method=\"post\" class=\"quiz-form\" id=\"quiz-5\"  enctype=\"multipart\/form-data\" >\n<div class='watu-question ' id='question-1' style=';'><div id='questionWrap-1'  class='   watupro-question-id-5'>\n\t\t\t<div class='question-content'><div><b>Precision<\/b>Ermittlung durch Suchmaschinenanfrage m\u00f6glich?<\/div><input type='hidden' name='question_id[]' id='qID_1' value='5' class='watupro-question-id'\/><input type='hidden' id='answerType5' class='answerTypeCnt1' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5[]' id='answer-id-18' class='answer   answerof-5  ' value='18'   \/><label for='answer-id-18' id='answer-label-18' class=' answer'><span>ja<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5[]' id='answer-id-19' class='answer   answerof-5  ' value='19'   \/><label for='answer-id-19' id='answer-label-19' class=' answer'><span>nein<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-2' style=';'><div id='questionWrap-2'  class='   watupro-question-id-12'>\n\t\t\t<div class='question-content'><div><b>Recall<\/b>Ermittlung durch Suchmaschinenanfrage m\u00f6glich?<\/div><input type='hidden' name='question_id[]' id='qID_2' value='12' class='watupro-question-id'\/><input type='hidden' id='answerType12' class='answerTypeCnt2' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices12'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-12[]' id='answer-id-37' class='answer   answerof-12  ' value='37'   \/><label for='answer-id-37' id='answer-label-37' class=' answer'><span>ja<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-12[]' id='answer-id-38' class='answer   answerof-12  ' value='38'   \/><label for='answer-id-38' id='answer-label-38' class=' answer'><span>nein<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div style='display:none' id='question-3'>\n\t<div class='question-content'>\n\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/osadev.fh-potsdam.de\/informations-datenmanagement\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\" alt=\"Loading...\" title=\"Loading...\" \/>&nbsp;Loading...\t<\/div>\n<\/div>\n\n<br \/>\n\t\n\t\t\t<div class=\"watupro_buttons flex \" id=\"watuPROButtons5\" >\n\t\t  <div id=\"prev-question\" style=\"display:none;\"><input type=\"button\" value=\"&lt; 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