WO2001082562A3 - Context aware computing devices and methods - Google Patents

Context aware computing devices and methods Download PDF

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Publication number
WO2001082562A3
WO2001082562A3 PCT/US2001/005184 US0105184W WO0182562A3 WO 2001082562 A3 WO2001082562 A3 WO 2001082562A3 US 0105184 W US0105184 W US 0105184W WO 0182562 A3 WO0182562 A3 WO 0182562A3
Authority
WO
WIPO (PCT)
Prior art keywords
context
location
tree structures
methods
world
Prior art date
Application number
PCT/US2001/005184
Other languages
French (fr)
Other versions
WO2001082562A2 (en
Inventor
Gopal Parupudi
Edward F Reus
Original Assignee
Microsoft Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Microsoft Corp filed Critical Microsoft Corp
Priority to AU2001238460A priority Critical patent/AU2001238460A1/en
Priority to AT01910902T priority patent/ATE514266T1/en
Priority to JP2001579526A priority patent/JP4662675B2/en
Priority to EP01910902A priority patent/EP1269711B1/en
Publication of WO2001082562A2 publication Critical patent/WO2001082562A2/en
Publication of WO2001082562A3 publication Critical patent/WO2001082562A3/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/12Applying verification of the received information
    • H04L63/123Applying verification of the received information received data contents, e.g. message integrity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/50Network services
    • H04L67/52Network services specially adapted for the location of the user terminal
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/29Geographical information databases
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/90Details of database functions independent of the retrieved data types
    • G06F16/901Indexing; Data structures therefor; Storage structures
    • G06F16/9027Trees
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/90Details of database functions independent of the retrieved data types
    • G06F16/95Retrieval from the web
    • G06F16/953Querying, e.g. by the use of web search engines
    • G06F16/9537Spatial or temporal dependent retrieval, e.g. spatiotemporal queries
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00Network arrangements, protocols or services for addressing or naming
    • H04L61/45Network directories; Name-to-address mapping
    • H04L61/4552Lookup mechanisms between a plurality of directories; Synchronisation of directories, e.g. metadirectories
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/04Protocols specially adapted for terminals or networks with limited capabilities; specially adapted for terminal portability
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/50Network services
    • H04L67/51Discovery or management thereof, e.g. service location protocol [SLP] or web services

Abstract

Context-aware computing systems and methods are described. In particular embodiments, location aware systems and methods are described. In the described embodiments, hierarchical tree structures are utilized to ascertain a device context or location. The tree structures can be stored on or accessible to mobile computing devices so that the devices can determine their own particular context or location. In one embodiment, one of the tree structures comprises a Master World tree structure that contains nodes that represent geographical divisions of the Earth. Another of the tree structures can comprise a so-called Secondary World that contains nodes that represent physical or logical entities that are organization or company specific views of the world. A computing device can automatically determine its context or location by ascertaining a node on one or more of the tree structures and then traversing the tree structure to ascertain the complete context. A unique device architecture is described that permits context aware computing.
PCT/US2001/005184 2000-04-05 2001-02-16 Context aware computing devices and methods WO2001082562A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AU2001238460A AU2001238460A1 (en) 2000-04-05 2001-02-16 Context aware computing devices and methods
AT01910902T ATE514266T1 (en) 2000-04-05 2001-02-16 CONTEXTUAL COMPUTER APPARATUS AND METHOD
JP2001579526A JP4662675B2 (en) 2000-04-05 2001-02-16 Context-aware computing devices and methods
EP01910902A EP1269711B1 (en) 2000-04-05 2001-02-16 Context aware computing devices and methods

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/543,054 US7213048B1 (en) 2000-04-05 2000-04-05 Context aware computing devices and methods
US09/543,054 2000-04-05

Publications (2)

Publication Number Publication Date
WO2001082562A2 WO2001082562A2 (en) 2001-11-01
WO2001082562A3 true WO2001082562A3 (en) 2002-05-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/005184 WO2001082562A2 (en) 2000-04-05 2001-02-16 Context aware computing devices and methods

Country Status (7)

Country Link
US (3) US7213048B1 (en)
EP (1) EP1269711B1 (en)
JP (1) JP4662675B2 (en)
CN (1) CN100464545C (en)
AT (1) ATE514266T1 (en)
AU (1) AU2001238460A1 (en)
WO (1) WO2001082562A2 (en)

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