
{"publication_number": "US-6704734-B2", "abstract": "according to the present invention , a plurality of new tuple - space operators is provided for enhancing the capability of tuple spaces to provide fine - grained control of presence and location systems . new deactivate / activate and mass timer extension operators may be applied simultaneously to large numbers of tuples and anti - tuples , thereby improving system responsiveness . a new query operator greatly increases the ability of presence and location systems to guarantee that private information in the tuple space remains private .", "application_number": "US-33983603-A", "description": "before discussing the invention is detail , a brief introduction is set forth below to the basic structure and operation of a tuple space . a tuple space is a set of type / value ordered pairs called ingles . each ingle consists of a type ( e . g . name ) and a value ( e . g . john doe ). thus , a tuple which describes an employee for a company could , for example , be : {: name john doe : age 37 : employee_number 12345 : start_date 810126 : position t12 