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The vertical position of a paper in the graph is fixed by its publication date. You can move a paper in the horizontal direction by dragging it left or right. You can resize a paper by pulling it up or down.

Clicking on a paper selects it. Selecting papers in discussed in growing the graph below.

Double clicking a paper is equivalent to zooming right in. This allows you to read the abstract, modify tags and write notes.

The panel sits to the right of the graph, and contains the text you are reading now. The panel has multiple uses which can be accessed using the icons sitting above the panel:

• - this information panel
• - lists the currently selected papers, which includes search results
• - allows you to browse new and trending papers
• - the tags management panel
• - the profile and settings panel

Clicking on a paper in the graph will select it. The current selection is shown in the selected papers panel (). For a singly selected paper, the papers it references (references) and the papers that reference it (citations) are listed in separate tabs. Papers listed in the panel can be added to the graph with the button.

A paper can be removed from the graph by again clicking the button. Alternatively, clicking on a paper in the graph will display a button, which, if clicked, will also remove that paper from the graph.

Multiple papers can be selected by toggling the group select button or holding down the shift key.

Currently selected papers that are also drawn in the graph are displayed in the graph with a bold black outline and a red halo. Drawn papers that are directly linked to the current selection have a red outline and the corresponding links are drawn red.

The default search action is to query paper authors and titles. Certain search types are detected automatically. These include:

• arXiv numbers e.g. hep-ph/9709356
• author name with format F.Surname e.g S.Weinberg

To force a particular type of search, prepend a question mark '?':

• ?a - search author(s); e.g. ?a Georgi Glashow,
• ?t - search titles; e.g. ?ti 125 Higgs,
• ?k - search a topic based on keywords; e.g. ?k majorana neutrino,

Multiple authors or multiple words in a title, separated by spaces, search for papers with all of those authors or words in the title.

For the same words, title search and keyword topic search work differently. Example: ?t little higgs versus ?k little higgs.

The tags of a paper can be modified by zooming in on the paper, or, when a paper is selected, by clicking on the tag tab in the panel. Tags can similarly be applied to multiple papers at once by first selecting all the relevant papers and switching to the tag tab.

If you are logged in, papers with tags are always saved to your profile. This allows you to manage a permanent database of papers that interest you.

To select, rename or draw a tag use the tags management panel (). For each tag the number of papers in the current graph and the number of new citations it has are also shown. From this panel the papers of a tag can be given colourful backgrounds in the graph using blob or halo. Blob draws a single cloud while halo draws individual ones.

If a paper does not have a tag, but it refers to a paper which does, then these tags by association are listed in a light red colour in the search results of the selected papers panel ().

When new papers are published on the arXiv, Paperscape looks for those that reference any papers in your personal tags or graphs, and if they do, these papers are annotated automatically.

The browse panel () will get you started.

From the settings panel () you can click generate new links to create a unique URL corresponding to the active graph (the one currently being viewed). There will be two URLs for the graph: one corresponds to a static version of the graph, while the other corresponds to a modifiable version.

These URLs can be given to people who you would like to share your graph with. Once created, they are independent from any changes you make, unless you explicitly update the modifiable version of the URL. In this case, the static version will also be updated.

From the settings panel () you can create a personal profile. Enter your email address and you will be sent a password which you can then use to log in to Paperscape. Once logged in, any changes you make will be saved automatically to the Paperscape server. This includes all graphs and their papers, tags and notes.

The keyboard shortcuts available are:

• <escape> - close pop up, or deselect selected paper(s)
• <enter> - focus on selected paper
• <arrow keys> - pan the view, or move selected paper(s)
• +/- - zoom in/out
• 1-9 - select graph; second time zooms to view the whole graph
• a - select all papers in the current graph
• g - create a new empty graph
• n - select next paper
• p - select previous paper
• x - remove selected paper(s), or delete the current graph if it is empty