Abstract: A system, method and article of manufacture are provided for allowing concept based information searching. Textual information is collected utilizing a network. The textual information is parsed to create topic specific information packets, which are stored in an information cache. The system parses a user query and compares the parsed user query with the information packets in the information cache to locate matching information packets and displays the matching information packets to a user.

Abstract: Disclosed is a method for linguistic pattern recognition of information. Initially, textual information is retrieved from a data source utilizing a network. The textual information is then segmented into a plurality of phrases, which are then scanned for patterns of interest. For each pattern of interest found a corresponding event structure is built. Event structures that provide information about essentially the same incident are then merged.

Abstract: A system, method and computer program product are provided for providing a content exchange system. A request is received from a user utilizing a local system. A determination is made as to whether the user request can be fulfilled from information stored by the local system. The request is fulfilled from a local data source if the request can be fulfilled locally. If the request cannot be fulfilled locally, the request is fulfilled at a network site. A content directory connected to the network site is examined for selecting one or more network data sites having content potentially satisfying the request. The request is sent to the data site(s). Content pertaining to the request is received from the data site(s) and sent to the user.

Abstract: A natural language information querying system includes an indexing facility configured to automatically generate indices of updated textual sources based on one or more predefined grammars and a database coupled to the indexing facility to store the indices for subsequent searching.