SPARTA, INC.

Patent application number	Title	Published
SPARTA, INC. Patent applications
20090287418	POPULATION OF BACKGROUND SUPPRESSION LISTS FROM LIMITED DATA IN AGENT DETECTION SYSTEMS - Methods and systems are disclosed for detection of agents such as pathogens or toxic substances and, in particular, to methods and systems for determining the most important background constituents to suppress in a sample, e.g., in a bulk aerosol sample, in order to reduce the probability of false alarms and improve the level of detection of potentially harmful airborne agents.	11-19-2009
20080281581	METHOD OF IDENTIFYING DOCUMENTS WITH SIMILAR PROPERTIES UTILIZING PRINCIPAL COMPONENT ANALYSIS - The present invention generally provides methods and systems for characterizing texts, for example, for identifying textual documents by language, topic, author, or other attributes. In some embodiments, a method of the invention can include creating an n-gram frequency spectrum for a document under analysis, preferably selecting a subset of the n-gram frequency spectrum, transforming the n-gram frequency spectrum into principal component space, and identifying one or more attributes of the document according to its similarity to (or distinction from) reference documents in the principal component space.	11-13-2008