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Dies sind einige häufig-gestellte Fragen für die Wiki-Hosting Seite Referata.


Was ist Referata?

Referata ist eine Wikihosting-Seite, auch bekannt als "Wiki-Farm", welche MediaWiki als Wiki-Engine verwendet. Hierbei spezialisiert es sich auf Semantic MediaWiki und einige weitere MediaWiki-Erweiterungen.

Wie erstelle ich ein Wiki auf Referata?

Dies ist gar nicht schwierig; zunächst musst Du ein Referata-Benutzerkonto besitzen (hierfür sind nur ein Benutzername und eine eMail-Adresse nötig). Du kannst nun von jeder Seite aus einen Link am rechten oberen Rand mit der Bezeichnung "My Sites" finden. Nachdem Du diesem gefolgt bist, klicke auf der geöffneten Seite auf "Create a site". Nun wird der Name deines Wikis und die entsprechende Subdomain von benötigt. Standardweise ist jedes Wiki öffentlich einsehbar und kann von jedem bearbeitet werden. Diese und andere Einstellungen können anschließend geändert werden, manche benötigen jedoch ein kostenpflichtiges "Service Level".

Welche kostenpflichtigen und kostenlosen Features stehen mir zur Verfügung?

Eine Liste verschiedener Vorteile findest Du hier. Die meisten Features auf Referata sind Teil der MediaWiki-Software und somit für alle Wikis kostenlos verfügbar.

Was ist MediaWiki?

MediaWiki is the wiki engine best known for powering Wikipedia and the other projects of the Wikimedia Foundation (MediaWiki is named after Wikimedia). It is an open-source, PHP-based application that has been under development since 2003. It is also the world's most popular wiki engine, being used for hundreds of thousands of wikis in many different languages. It is also the most popular application for wiki farms, including Wikia, the best-known wiki farm.

Was ist Semantic MediaWiki und warum sollte ich es verwenden?

Semantic MediaWiki, usually abbreviated SMW, is an extension to MediaWiki that allows you to easily store the data in a wiki so that it is queriable. Using SMW, in addition to some of its spinoff extensions, allows you to create automatic lists and tables, as well as other displays such as maps and calendars, for the information that you already have stored across your pages. In addition, you can easily define forms for adding and editing the page "infoboxes" that hold this data; in this way, the data in your wiki can gain more structure in addition to reusability. With just a little bit of setup work, SMW can turn a wiki from a collection of text pages to a true collaborative database.

It should be noted that there's at least two other wiki farms that also support Semantic MediaWiki: Wikia, and ShoutWiki. (Two other wiki farms, YourWiki and Pseudomenon, previously supported SMW, but both are now defunct.) Wikia currently adds support for SMW only on user request, and it holds only a subset of the extensions that Referata does; though we hope that their support for SMW will grow in the future. ShoutWiki put SMW and extensions only on user's request.

Mein Referata-Wiki verwendet kein Semantic MediaWiki; ist das in Ordnung?

Yes. In fact, most wikis on Referata don't use the features of SMW; although we find that, among the most popular wikis on Referata, the percentage that uses SMW is much higher.

Wer betreibt Referata?

From the time of its release in July 2008 until December 2009, Referata was run by its creator, Yaron Koren. Since December 2009, it has been run by WikiWorks, a MediaWiki consulting company that Yaron founded.

Auch wenn es unhöflich klingt, aber macht ihr Geld mit Referata?

As noted before, we have paid service levels. Also, the site is not very expensive to run - almost all of the functionality comes from publicly-available applications and extensions, whose development occurs independently of Referata.

Wie wird "Referata" ausgesprochen?

In English, it's "reh-fur-AH-da". In other languages, the key is the accent on the third syllable.

Was bedeutet "Referata"?

"Referata" is a bit of fake Latin meant to suggest both "reference" and "data", as well as indicating multiple sources of information, through the Latin-style plural. By a happy accident, "referata" also means "scientific papers" or "essays" in Croatian.

Wie kann ich mein Referata-Wiki aufwerten?

Click on the "site settings" link from the top of any page, then click on the "Service level" tab, and follow the instructions to subscribe. Subscriptions are handled via PayPal.

Ich würde gerne ein Wiki mit "Enterprise"-Level hosten, kann aber das Geld hierfür nicht aufbringen. Was kann ich tun?

Please contact us at to discuss pricing options; especially if you are from a school or non-profit, we may be able to negotiate a lower price for you.

Kann ich mein Wiki zu einer anderen Referata-Subdomain verschieben?

Not entirely, but you can do something that has the same effect: create a "URL alias" for your wiki, which is another subdomain of, so that the wiki can be accessible at either subdomain. You can change around the URL alias for your wiki as many times as you want, although you can only use subdomains that haven't already been taken. You can set the URL alias in the main tab of the "Site settings" page.

Kann ich ein Wiki zu einer anderen Domain verlagern, das immer noch hier gehostet wird?

Yes; although that is a paid feature. You need to have one of the service levels "Ad-supported or "Enterprise" to allow that.

Wie kann mein Wiki ein "Featured Wiki" auf Referata werden?

Your wiki must use Semantic MediaWiki, including forms, for it to be considered as a featured site. If it does use SMW, feel free to send an email to to request featuring your wiki.

Wie kann ich mein Wiki löschen?

You can request that your wiki be deleted by clicking on the "site settings" link at the top of any page; then clicking on the "Deletion" tab; and then clicking on the "Delete site" button. Typically, the wiki will then get deleted within a week. You can cancel your deletion request at any point within that time if you change your mind, via that same tab.

Wird mein Wiki gelöscht, wenn ich es vernachlässige?

If your wiki stops getting edited, typically within six months to a year after the last edit to your wiki it will get marked for deletion, and you will get an email notifying you of that fact. You will then have about two weeks to un-mark it for deletion, if you want it to remain in existence. Wikis that are un-marked in this way will probably not be bothered again. Wikis that have a paid subscription level will also not be subject to deletion.

Wie kann ich sicher gehen, dass meine Daten nicht beschädigt oder gelöscht werden?

Our hosting provider, A2Hosting, does nightly backups of data, so your wiki should be fine even in case of a huge foul-up (or a natural disaster). Beyond that, you can use the Special:Export page on your wiki to save a local copy of the entire contents of your wiki, suitable for re-importing - either just the current version of each page, or all versions.

Wie kann ich mein Wiki von Referata auslagern?

Again, you can use the Special:Export page for this (with a corresponding usage of Special:Import elsewhere). Note that you can also use this same mechanism to move wikis onto Referata.

wie kann ich sicher gehen, dass meine Daten unzugänglich bleiben, wenn ich meine Seite privat-sichtbar mache?

Security is an ultimately unguaranteeable thing: even world-class computer systems, like those of major banks and the United States government have had their data broken into. Referata has not been audited for security. Nonetheless, the system it runs on, MediaWiki on Apache and MySQL, has been well-tested for security, and has no known vulnerabilities. If security is a major issue for you, you may be better off running MediaWiki on a server on your local network. We should note that WikiWorks can help you with such a process; you can write to us at

Wie kann ich meine Version der LocalSettings.php verändern?

LocalSettings.php is the file that MediaWiki uses to control the settings for a particular wiki. In the case of Referata, though, every wiki uses the same copy of LocalSettings.php; but the real work of specifying the settings for a particular wiki is done through each wiki's Special:SiteSettings page. If there's something you think that page is missing, please let us know on the Requested features page.

Ist es möglich, eine Erweiterung oder ein Feature, das ich woanders gesehen habe, auf meinem Wiki zu installieren?

All Referata wikis use the same code base. However, it is possible to add an extension or feature to Referata as a whole; use the Requested features page to make such a request.

Wie kann ich Videos/Audio/Feeds in meinem Wiki anzeigen?

The way to display all of that, from YouTube videos to Twitter feeds, is through the Widgets extension - it lets you easily create "widgets" to show information from any number of sources, so that a separate extension isn't needed for each.

Wie kann ich mich vor Spam schützen?

Every Referata wiki uses a simple CAPTCHA for edits made by anonymous users; an anonymous user must complete a simple arithmetic problem to create each edit. In practice, this simple barrier brings spam down to nearly zero. (For wikis that allow editing only by registered users, spam is usually not a problem.)

Nicht alles auf Referata (oder diese Dokumentation) wurde in die Sprache X übersetzt; kann ich dabei behilflich sein?

If you want to translate the wiki documentation into another language, feel free to just do so on this wiki; the page name should contain the language code, so, for instance, the translation of this page into Japanese should be called "Referata:FAQ/ja". If you do create such a page, please link to it at the bottom of this page.

If you would like to translate Referata functionality, such as the Special:SiteSettings page, into another language, please just send an email to; we would be happy to send you a list of messages that need translating. Any help you could provide would be very much appreciated.

Wird es seitens Referata jemals Werbung auf Wikis geben?

We doubt it. But you can do so, if you want, by upgrading to the "Ad-supported" subscription level. Your ads will be hosted via Google Ads, and all ad revenue will go directly to you.

Kann ich meine eigene Version von Referata leiten?

You may wish to have your own wiki farm, either for public wikis or for internal, corporate use, modelled after Referata. The wiki-farm aspect of Referata is handled by a separate extension, "Wiki Garden", as well as some very minor patches to MediaWiki itself. Both are currently private: they may get released as open-source in the future, but there are no plans to do so at the moment. We are willing to license the software, however: please contact us at if you are interested.

I habe Vandalismus bemerkt, wo kann ich dies melden?

If you notice strangely-behaving users or spam pages (pages which's content is irrelevant for this site) you are welcome to write a report about this at an administrator's talk page (see here for a list of site admins). If this is a very urgent issue (as for example a "spam-attack") you may directly contact the Referata service at Please do not use the email contact for single spam pages, they do not require an immediate deletion.

Wieviele Seiten hostet Referata aktuell?

Zur Zeit werden auf Referata ungefähr 750 Seiten gehostet, uns es werden täglich mehr. Referata ist eine der größten Wiki-Farms, die ein kostenloses und Werbefreies hosten von Wikiseiten ermöglichen. Außerdem gehört Referata zu den wenigen, die Semantic MediaWiki-Erweiterungen verwenden.

Kann ich mehr als eine Seite mit einem einzigen Benutzerkonto verwalten?

Ja, Du kannst so viele Seiten erstellen wie Du möchtest, und dies ohne auch nur einen Cent zu bezahlen. Du benötigst nur ein einziges Benutzerkonto, um mehrere Seiten erstellen zu können, die anschließend auf Special:UserSites einsehbar sind.

Unterstützt Referata "Secure HTTP" ("HTTPS")?

Referata ist nicht in der Lage, einen Sicheren Zugriff auf eine der Seiten zu ermöglichen, nicht einmal bei sich selbst. Sichere SSL-Anmeldungen, die "Secure Hyper Traffic Transfer Protocolls" (HTTPS) unterstützen, erfordern erweiterte Einstellungen, die auf Referata zur Zeit nicht in Gebrauch sind. Eventuell wird dies ein zukünftiges Projekt sein.

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