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The present invention relates to a system for modifying a table comprising generating means for generating a table, wherein the table contains one or more columns and one or more lines containing data, wherein the columns and the lines are related to one or more first categories, respectively, and wherein at least one of said first categories is divided into one or more sub-categories, wherein the system further comprises changing means for changing the distance between data related to two neighboring first categories and / or for changing the distance between data related to two neighboring sub-categories and / or for changing the line height and / or the column width, wherein the changing means are adapted to increase and / or decrease said distance and / or line height and / or the column width in order to increase legibility of the table.

An interface is provided for permitting a user to explore a collection of data. The data collection provides nodes as structural elements, and references which are assigned to nodes and hold identifiers of other nodes. Multiple references can be assigned to each node, thus guiding a user of the system to multiple other nodes, and multiple references can hold the same address, so that multiple nodes can have references pointing to the same node. The interface allows visualizing the network created by the interconnection of the nodes on a display region. The interface also allows the user to intuitively navigate along the references in both directions of the references, so that the user can explore which nodes are referenced by a certain node, and also by which nodes a certain node is referenced. Electronic documents can be assigned to each node, and the interface allows these documents to be displayed either directly in a reserved display region of the interface, or by launching a matching application on the user's computer.

Video surveillance systems are used to monitor public places, streets, buildings, cities and other premises or surroundings and comprise a multitude of cameras which are monitoring relevant points in the surroundings. One of the problems of surveillance systems is, that the multitude of cameras produce a large amount of video data to be monitored, which requires a lot of human observers resulting in high personnel costs. A video retrieval system (1) connectable to a plurality of surveillance cameras (2) for monitoring a surroundings is proposed, the video retrieval system (1) comprising: displaying means (12) realized to display a graphical overall description (100, 130, 140) of the surroundings under surveillance, whereby the graphical overall description (100, 130, 140) comprises a plurality of monitored areas (110), whereby the areas are allocated to different surveillance cameras (2) and whereby the graphical overall description (100, 130, 140) is displayed in a single perspective view, and querying means (10) realized to formulate a trajectory-specific search (150, 160) query adapted to retrieve data about a moving object in the surroundings with a matching trajectory.

A terminal for navigating documents, comprising browser means ( 1 ), pointer means ( 2 ) arranged to be controlled by a terminal user, a small-size display ( 3 ), and display means ( 4 ) arranged to display a portion of a large-size document on the small-size display ( 3 ), the area of the complete large-size document being larger than the area of the small-size display ( 3 ). The terminal comprises control means ( 5 ) arranged to form a miniature copy of the complete large-size document browsed by the browser means ( 1 ), and the display means ( 4 ) are arranged to display the miniature copy on the small-size display ( 3 ) in the form of a miniature field ( 6 ).

A method for fitting a hearing aid (1) comprises the steps of recording the audiogram of the hearing aid user (6), selecting a fitting setting, using the hearing aid (1) for a period of time, and logging data representing information on the sound environment in which the hearing aid is being used. The method comprises the steps of providing a computer based questionnaire on a first computer (2), said questionnaire comprising questions directed to the hearing aid users subjective experience with using the hearing aid, correlating questionnaire data with logged data, and selecting and, implementing a new hearing aid setting into the hearing aid. The invention further provides a method for optimizing the function of a hearing aid, and a computer program product.

A system for operating and controlling technical processes having at least one component fashioned as a measuring instrument and a control device, which is connected by electrical lines to sensor and actuators of processes, and having a control program, a measurement and control unit, an operating and observation component, optionally a database, optionally a process printer and further components of a process automation, as appropriate, which are connected to one another via data channels and a control program.

A method is provided for displaying at least one hierarchically structured list having at least two levels, and a display unit for such a method is also provided, in which the user is offered an optimum overview in the display of hierarchically structured lists having at least two levels. In the display of one or more of the subordinate elements of the list, the respective superordinate element of the list associated with the subordinate element of the list is also always displayed.