{"version":"1.0","provider_name":"Biologian tiedonhaku \/\/ UEF Kirjasto","provider_url":"https:\/\/blogs.uef.fi\/tiedonhaku-biologia","title":"2.3 Asiasanahaku - Biologian tiedonhaku \/\/ UEF Kirjasto","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"dSbVlEE8Tv\"><a href=\"https:\/\/blogs.uef.fi\/tiedonhaku-biologia\/hakutekniikka\/asiasanahaku\/\">2.3 Asiasanahaku<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/blogs.uef.fi\/tiedonhaku-biologia\/hakutekniikka\/asiasanahaku\/embed\/#?secret=dSbVlEE8Tv\" width=\"600\" height=\"338\" title=\"&#8221;2.3 Asiasanahaku&#8221; &#8212; Biologian tiedonhaku \/\/ UEF Kirjasto\" data-secret=\"dSbVlEE8Tv\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/blogs.uef.fi\/tiedonhaku-biologia\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","description":"Hakusanoina voi k\u00e4ytt\u00e4\u00e4 mit\u00e4 tahansa sanoja, jotka kuvaavat aihetta. Tietokantahauissa erityisen tehokkaita hakusanoja ovat ns. asiasanat. Asiasana kuvaa sis\u00e4lt\u00f6\u00e4 Asiasana on tehokas hakusanana, koska se Asiasanat kerrotaan asiasanastoissa Asiasanat m\u00e4\u00e4ritell\u00e4\u00e4n erityisiss\u00e4 hakemistoissa, joita kutsutaan asiasanastoiksi eli tesauruksiksi. Asiasanasto paitsi listaa sanoja, my\u00f6s kuvaa termien v\u00e4lisi\u00e4 suhteita: assosiatiiviset k\u00e4sitteet (related), yl\u00e4k\u00e4sitteet (broader) ja alak\u00e4sitteet (narrower). Eri [&hellip;]","thumbnail_url":"https:\/\/blogs.uef.fi\/tiedonhaku-biologia\/wp-content\/uploads\/sites\/59\/2021\/10\/BIO_asiasana.png"}