PUMA

User Interface#

Is the bookmark/publication entry directly usable after the upload into the system?#

Yes and No. Most of the functions can be used directly. You can view and browse a new entry. But the entry cannot be found in searches directly as the database is periodically updated.

Do I have to type every tag I want to use each time?#

No. Your tag cloud on the right-hand side, as well as the tags of an item you may be copying, are clickable in the posting form. This means that clicking on a tag in the tag cloud while posting an entry allows you to add that tag to the post.

What are those input fields used for? #

On a typical PUMA page, there are three input fields:

• Top left: the paths shown in the top left corner such as PUMA::user::schmitz::input field can be completed by typing a tag (in this example), a user, or a group. into the input field.

• Top middle: the input field in the top right corner is used for full-text post searches. The search can be restricted to the posts by a particular user by specifying user:username as a search term, or by choosing a respective entry from the dropdown list.

• Above the tag cloud: this field can be used to filter the tags shown in the tag cloud. Just type ahead and only those tags containing the text you typed will be shown in the cloud.

Can I search for multiple terms or tags at the same time?#

Yes. Just type more than one tag or term in the tag search field (top left) or the full-text search field (top middle). The search results will include all posts that contain all of the tags or terms.

Can I search for multiple terms using disjunction?#

Yes. Though this feature is not provided by a specific URL scheme, it can be achieved by invoking PUMA's concept function. You can define relations between tags in the form of SUPERTAG < - SUBTAG. These relations can be used to retrieve resources. For example, the URL /concept/tag/ontology shows all posts which are tagged with ontology OR one of its subtags. A more detailed explanation can be found in our Feature of the Week posts.

What does the basket menu item do?#

You may have noticed the button titled pick below publication posts. You can use this button to collect a number of publications, which can then be downloaded as one BibTeX file from the basket.

Which items appear on the "popular" page?#

The popular page shows those 100 items which have been tagged most often within the last 5,000 posts and is updated every 15 minutes. This means that the absolute counts of posts for the items do not necessarily have to be in the order of the popular page, as it only considers the most recently posted items.

Can I delete all/several entries at once?#

Yes, you can delete several of your own entries by clicking on the "edit" button which is shown in the top right menu above your bookmarks or publications of your Web page. You will be forwarded to a new page where you can find an option to delete all posts of the previous page. For instance, if you want to delete your imported publications, tagged with "imported", click on your tag "imported" so that all entries which have been tagged with this keyword are shown on one page. Then, click on the edit button and select the "delete posts" button. If you want to remove all of your entries, go to "myPUMA" and enable the system to show all your entries (e.g. by extending the URL with "?items=1000"). Then, click on the "edit" button. Note that you can only remove your own entries.

What is the difference between "related" and "similar" tags?#

For tag-based navigation purposes, we provide two kinds of tags: related tags are those tags which were assigned together to a post. If e.g. a user has tagged a post with java and programming, then those two tags are related. Similar tags on the other side are computed by a more complex similarity measure coming from the research on information retrieval, namely cosine similarity in the vector of the popular tags. Similar tags are in many cases synonym tags. See here for a more detailed explanation.