Abstract: A technique is provided for the classification of a document based on a lexicon structured into categories. Terms in the document may be matched with terms in the lexicon along with the relative position of the term in the document. A weight function may be used to compute a score for each category. The normalized category scores may be used to classify the content of the document.

Abstract: A technique is provided for the classification of a document based on a lexicon structured into categories. Terms in the document may be matched with terms in the lexicon along with the relative position of the term in the document. A weight function may be used to compute a score for each category. The normalized category scores may be used to classify the content of the document.

Abstract: The present invention is comprised of a computer system and software used to track, locate, and/or identify sex offenders. The invention is comprised of a computer system, a GPS device carried With a sex offender, and a data storage medium. The system may be capable of notifying authorities when the sex offender enters forbidden areas such as schools, cities, counties, states, countries, or other regions designated as denied to the sex offender.

Abstract: The present invention is comprised of a computer system and software used to prevent sex offenders from accessing facilities. The invention is comprised of a computer system, an identification card reader, and software containing a database of known sex offenders. When presented with an identification card, the card reader parses the information from the identification card and presents the information to the software system. The software system searches a database of known sex offenders and returns a set of potential matches. The user of the system reviews the search results and makes a decision to allow/disallow access of the individual to the facility.