Uporaba spletnih iskalnikov je postala vsakodnevna stalnica. Pogosto so spletni iskalniki edini način iskanja informacij. Spletnim mestom, ki želijo svojim uporabnikom ponuditi napredne iskalne storitve, pogosto ne zadostuje uporaba storitev večjih iskalnikov (Google, Yahoo, Live Search). Razlogi za izgradnjo lastnih iskalnih storitev so predvsem v varnosti, želeni ravni poosebitve ter seveda v potrebi po prilagojenem ocenjevanju in razvrščanju rezultatov. Prispevek predstavi delovanje sodobnih iskalnikov in podrobneje opiše iskalno storitev, ki je bila razvita z vidika posameznega spletnega mesta. Iskalni zadetki se avtomatsko prilagajajo uporabniku in njegovim pravicam, ponujeno pa je tudi iskanje po sorodnih spletnih mestih ter strukturiranih in nestrukturiranih virih podatkov. Iskalna storitev ponuja prav tako poosebljanje iskalnih rezultatov glede na interesna področja uporabnika.In the modern society the use of online search engines is a daily routine. More often than not it is the only way of getting the desired information instantly. For a large web portal, with the ambition to provide their users with advanced search services, the feature specifications of the search services they require far exceed the capabilities provided by large search engines (Google, Yahoo, Live Search). The main initiative for a custom search service is the need for security and authorized access to certain contentalso the desired personalization level and a customized ranking of search results are both major contributors. The paper reviews the architecture of modern search engines and presents in greater detail the search service that was developed. The service provides automated use of users\u27 credentials to limit the search results to only the content that the user has been granted access to, it provides centralized search capability across multiple web siteswith similar content as well as structured and unstructured data sources.The search service also provides personalization according to the user\u27s field of interest
