Thiết bị viễn thông này sử dụng được nhờ khả năng thu phát sóng. Ngày nay, ngoài chức năng thực hiện và nhận cuộc gọi, điện thoại di động còn được tích hợp các chức năng khác như: nhắn tin, duyệt web, nghe nhạc, chụp ảnh, quay phim, xem truyền hình. | 7 Personalising Map Feature Content for Mobile Map Users 137 2006 files that have been loaded into an Oracle 9i spatial database Oracle Spatial 2006 . Using vector data allows the map to be divided into distinct layers where each layer can be further decomposed into individual features. The user has the freedom of browsing mobile maps by executing any of the map actions described in Table . Looking at Fig. we can see the different components of the MAPPER GUI. In Fig. the user is presented with a map containing different layers where each layer is categorized as one of the following types Full layer - recommended non-landmark layers and landmark layers. For a landmark layer to be displayed as a full layer all individual features describing the layer must have a score exceeding the personalisation threshold Ổ. Partial layer - recommended landmark layer where only a subset of the individual features describing the layer have a score exceeding Ổ. Empty layer - any layer that is not recommended by the system or any recommended landmark layer where no individual features describing that layer have a score exceeding Ỗ. Fig. . MAPPER application GUI4 As is evident from Fig. layers that are displayed as partial layers have a second checkbox beside the layer name in the layers panel. This enables the user to request further detail describing the layer if desired. This action is recorded in the log files along with all other map actions and is taken into consideration when updating the 4 Figures and are in color. See accompanying CD-ROM for color versions. 138 Joe WEAKLIAM David WILSON Michela BERTOLOTTO user s profile. If the user wishes to see the names of any features then they simply place the stylus over that feature and the name is displayed at the bottom of the map. In addition to those actions outlined in Table we have also implemented several high level spatial queries allowing the user to highlight various aspects of feature .
