Abstract: A method for predicting traffic wherein the method is a trend based extrapolation method that uses real time traffic data and historic traffic data to generate a predictive traffic product. The predictive traffic product provides expected traffic speeds for the short term future, for example, between two to twelve hours into the future.

Abstract: A method for predicting traffic is disclosed. The method is a trend based extrapolation method that uses real time traffic data and historic traffic data to generate a predictive traffic product. The predictive traffic product provides expected traffic speeds for the short term future, for example, between two to twelve hours into the future.

Abstract: A computer implemented method of compressing a plurality of TPEG format traffic messages is provided. The method forms a template containing the data values of fields of a message management container, an event container and a location container and forms a global data set representing a base time of the traffic messages and data indicating the geographic region. The method creates compressed TPEG traffic messages comprising a template identification indicating the template and data values of the fields of the message management container, the event container and the location container not included in the template or global data set.

Abstract: A method for operating a navigation system computes a pedestrian route for travel by a pedestrian. A request for the pedestrian route between a first location inside a building and a second location inside the building is obtained. A geographic database associated with the navigation system is accessed for data representing a plurality of pedestrian paths. A solution pedestrian route from the origin to the destination comprising a series of connected pedestrian paths between the first location and the second location is determined. A guidance message that identifies a feature visible from at least one of the pedestrian paths is provided.

Abstract: A method for operating a navigation system computes a pedestrian route for travel by a pedestrian. A request for the pedestrian route between a first location inside a building and a second location inside the building is obtained. A geographic database associated with the navigation system is accessed for data representing a plurality of pedestrian paths. A solution pedestrian route from the origin to the destination comprising a series of connected pedestrian paths between the first location and the second location is determined. A guidance message that identifies a feature visible from at least one of the pedestrian paths is provided.

Abstract: A method for operating a navigation system computes a pedestrian route for travel by a pedestrian. A request to calculate the pedestrian route from an origin to a destination and a walking preference for the pedestrian route identifying a feature of the pedestrian route are obtained. A geographic database associated with the navigation system is accessed for data representing at least one pedestrian path. The data representing the pedestrian path includes lighting level attribute information for the pedestrian path. A valid solution pedestrian route from the origin to the destination comprising a series of connected pedestrian paths that support the walking preference is determined.

Abstract: A method for operating a navigation system computes a pedestrian route for travel by a pedestrian. A request to calculate the pedestrian route from an origin to a destination and a walking preference for the pedestrian route identifying a feature of the pedestrian route are obtained. A geographic database associated with the navigation system is accessed for data representing at least one pedestrian path. The data representing the pedestrian path includes lighting level attribute information for the pedestrian path. A valid solution pedestrian route from the origin to the destination comprising a series of connected pedestrian paths that support the walking preference is determined.

Abstract: A method for operating a navigation system computes a pedestrian route for travel by a pedestrian. A request to calculate the pedestrian route from an origin to a destination and a walking preference for the pedestrian route identifying a feature of the pedestrian route are obtained. A geographic database associated with the navigation system is accessed for data representing at least one pedestrian path. The data representing the pedestrian path includes lighting level attribute information for the pedestrian path. A valid solution pedestrian route from the origin to the destination comprising a series of connected pedestrian paths that support the walking preference is determined.

Abstract: A method for operating a navigation system computes a pedestrian route for travel by a pedestrian. A request to calculate the pedestrian route from an origin to a destination and a walking preference for the pedestrian route identifying a feature of the pedestrian route are obtained. A geographic database associated with the navigation system is accessed for data representing at least one pedestrian path. The data representing the pedestrian path includes lighting level attribute information for the pedestrian path. A valid solution pedestrian route from the origin to the destination comprising a series of connected pedestrian paths that support the walking preference is determined.

Abstract: A computer implemented method of compressing a plurality of TPEG format traffic messages is provided. The method forms a template containing the data values of fields of a message management container, an event container and a location container and forms a global data set representing a base time of the traffic messages and data indicating the geographic region. The method creates compressed TPEG traffic messages comprising a template identification indicating the template and data values of the fields of the message management container, the event container and the location container not included in the template or global data set.

Abstract: A method for collecting geographic data identifies a pedestrian segment associated with a path. Location information for the pedestrian segment is collected. Additionally, lighting level attribute information is collected for the pedestrian segment. The location information and the lighting level attribute information are stored in the geographic database that is stored on a computer readable storage medium.

Abstract: A method of operating a navigation system is disclosed. A request for a route between a first location on a road network and a second location off of the road network is received. A geographic database stored on a computer readable medium associated with the navigation system is accessed to obtain data representing a plurality of road segments including data representing a sidewalk along the road segment and data representing a crosswalk associated with the road segment. The geographic database is accessed to obtain data representing a plurality of pedestrian segments and data representing at least one orientation node providing a connection between one of the road segments and one of said pedestrian segments. A solution route comprising a series of connected road segments and a series of connected pedestrian segments between the first location and the second location is determined.

Abstract: A method for collecting geographic data identifies a pedestrian segment associated with a path. Location information for the pedestrian segment is collected. Additionally, lighting level attribute information is collected for the pedestrian segment. The location information and the lighting level attribute information are stored in the geographic database that is stored on a computer readable storage medium.

Abstract: A navigation system determines a route between a first location on a road network and a second location in a facility off of the road network. The system composes individual guidance messages for travel along a portion of the route on the road network. A pre-composed set of guidance instructions for travel in the facility along a portion of the route off of the road network are obtained from a geographic database associated with the navigation system.

Abstract: A method for collecting geographic data for use with a navigation system identifies a pedestrian segment associated with a path. A text description of the pedestrian segment is collected. The text description includes one of a predetermined number of phrases and name of at least one feature visible from a location of the pedestrian segment. Data representing the pedestrian segment is stored in the geographic database.

Abstract: A method of operating a navigation system is disclosed. A route between a first location on a road network and a second location in a facility off of the road network is identified. Individual guidance messages for travel along a portion of the route on the road network are composed. A pre-composed set of guidance instructions for travel in the facility along a portion of the route off of the road network are obtained from a geographic database associated with the navigation system. The guidance instructions comprise at least one maneuver instruction and at least one reference to a visible feature in the facility.

Abstract: A method for collecting geographic data for use with a navigation system is disclosed. A route between a first location and a second location is identified. Data providing directions for traveling from said first location to said second location is collected. The data providing directions is stored in a geographic database. The geographic database is provided for use with navigation related features.

Abstract: A method for collecting geographic data for use with a navigation system is disclosed. A pedestrian segment associated with a path is identified. A text description of the pedestrian segment is collected. The text description includes one of a predetermined number of phrases and a name of at least one feature visible from a location of the pedestrian segment. Data representing the pedestrian segment is stored in the geographic database.

Abstract: A method for collecting geographic data for use with a navigation system is disclosed. A virtual pedestrian segment providing a path through an unorganized geographic area is identified. The unorganized geographic area lacks underlying organization into roads and paths. Data indicating a location of the virtual pedestrian segment is collected. Data representing the virtual pedestrian segment is stored in the geographic database, and the geographic database is provided for use with navigation related features.

Abstract: A method for operating a navigation system is disclosed. An ordered plurality of interconnected segments providing a route from an origin to a destination is obtained. A guidance message for each of the segments is formed. The step of forming the guidance message comprises determining whether to reference a previous segment and adding a reference to a current segment.