Patent Document ID: 8924374
Application ID: 12035597

Base Claim:
1. A computer-implemented method, comprising: at a computer having memory and one or more processors: receiving one or more search keywords from a user; selecting a plurality of candidate document identifiers in accordance with the one or more search keywords, each candidate document identifier corresponding to a respective document at a respective data source; for a respective candidate document identifier of the plurality of candidate document identifiers: retrieving a document corresponding to the respective candidate document identifier from a data source, wherein the document has a structure type; converting the document into a node stream, wherein the document conversion is initiated immediately after retrieving a portion of the document; generating a customized data model for the document using the node stream in accordance with the structure type of the document; identifying one or more candidate chunks within the customized data model in accordance with a set of heuristic rules associated with the structure type; and selecting one or more chunks of the candidate chunks that satisfy the one or more search keywords; and providing at least one of the selected one or more chunks for display to the user.

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Claim 3:
3. The method of claim 1 , wherein the structure type is one selected from the group consisting of structured, semi-structured, and unstructured.