ctBrowser Help


ctSearch is a content-based Internet search engine, and ctMedBrowser one of its accompanying desktop browser. So what is different about ctSearch when compared to other Internet Search Engines (i.e., Google, Bing, AltaVista, etc.) being used today? Standard Internet Search Engines are exclusively keyword-based search tools, whereas ctSearch is content-based.

Besides being an example of a content-based Search Engine, ctSearch also is capable of accepting search input in Natural Language form. This means, search text can be entered in complete English language sentences. The input can be a single sentence, a paragraph, or a complete page of text.

ctMedBrowser is a specialized browser for viewing content provided by ctSearch. To demonstrate its applicability, a specialized Expert Network for the medical cancer domain has been created and can be accessed via ctMedBrowser. Of course, the interested user can also supply non-cancer related questions vis ctMedBrowser.

How to Search

You can search from ctBrowser by selecting the File->Search menu option, or you can visit


Fig 1. shows the main window after a query has been selected for viewing. In this case the selected query is How to deal with bone cancer pain?.

Fig. 1 Main Window

New queries are submitted via the File->Search menu option (see Fig 2). The search query entry form provides a field for entering your questions. Below follow an update and a status panel displaying progress information. The button at the very bottom is used to submit a query.

Fig. 2 Search Window

How to Import Search Query Results

Each search query result is packaged in an archive file (.jar file extension). These packaged query result files are portable between all ctMedBrowsers. These search query result files can be installed in 2 different ways:

  1. The file is placed into the installation directory. As soon as, ctMedBrowser is re-started the file is automatically installed.
  2. The file can be imported via the File->Import menu option.

The only time query results would need to be imported is when, the user decides to use the online search at c-t-search.appspot.com, or users exchange search query results amongst one another.

How to Select and View Search Query Results

Search query results can be viewed by invoking the File->Query menu option. A window will popup showing a list of all installed search query files (Fig 3).

Fig. 3 Query Window

By hovering the cursor over one of these results, the bottom text panel is populated, displaying the actual search query. By clicking on the selected list element, the query is actually selected and opened in the browser. Selecting the query will also popup a new Browser window displaying the collected search results (see Fig. 4 and Fig. 5).

Fig. 4 Result 1

Fig. 5 Result 2

Each collected result consists of a text phrase, the online source from which the result was taken, the title of the source, and a relevance score. Each result is also a hyperlink, which when clicked (left mouse button) will popup the source document in a Browser window and scroll to the position within the document where it is located (Fig. 6). Similar, clicking on the source hyperlink will popup the actual web page within the default Web browser.

Fig. 6 Selected Document

On top of the results Browser is a navigation menu located. The [Hierarchical] menu option switches to a hierarchical view of the search results. The one or more following tag menu options return to the normal view. The [Toggle Background Color] option switches the background color between black and white.

Selecting the [Hierarchical] option switches to the view depicted in Fig. 7. Clicking on the bone cancer pain tag will change the view to the one shown in Fig. 8.

Fig. 7 Hierarchical view

Fig. 8 Hierarchical view : bone cancer pain

The hierarchical view displays both Phrases by tags and Tags to Browse options (see Fig. 9). The former represents derived tags which are leaf nodes in a tree, whereas the latter represents tags which can be further explored. Each derived tag also states a number indicating how many search results have been collected beneath it.

Fig. 9 Tags to Browse

Each tag can be clicked to show these results (see Fig. 10 for an example). Navigating back to a previous view can be achieved by clicking on the [Back] menu option or by hitting the b-key on the computer keyboard.

Fig. 10 Hierarchical Example

Where to download ctMedBrowser?

To download ctMedBrowser go here. Select the installer for your OS (choose from the ctMedBrowser options), download, and click to install.

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