Location Based Web Search on GSM/GPRS Mobile ... - WWW2006

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Get <strong>Location</strong> Information • The Symbian C++ (series 60 version-2.1) code snippet to get all four location parameters from a mobile device looks like this: RTelServer server; CleanupClosePushL(server); User::LeaveIfError(server.Connect()); User::LeaveIfError(server.LoadPhoneModule(_L("phonetsy.tsy"))); RTelServer::TPhoneInfo info; User::LeaveIfError(server.GetPhoneInfo(0, info)); RBasicGsmPhone phone; CleanupClosePushL(phone); User::LeaveIfError(phone.Open(server, info.iName)); MBasicGsmPhoneNetwork::TCurrentNetworkInfo ni ; phone.GetCurrentNetworkInfo( ni ) ; TInt MCC = ni.iNetworkInfo.iId.iMCC; //Mobile Country Code TInt MNC = ni.iNetworkInfo.iId.iMNC; //Mobile Network Code TInt locationareacode = ni.i<strong>Location</strong>AreaCode; //<strong>Location</strong> Area Code TInt cellId = ni.iCellId; //Cell ID
Query Expansion & <strong>Search</strong> • Query Expansion for each <strong>Location</strong> Name Individually. • Three types of expansion using – Country name (MCC) – City Name/ Region Name (LAC) – Region Name within City (CellID) • Region being most granular, Country being least granular information • <strong>Search</strong> Results merged, ranked using granularity of location. • Ranking function weights are tunable.
Page 1 and 2: Location B
Page 3 and 4: Current search • Obtained from ht
Page 5 and 6: Solution Outline • The solution c
Page 7: Obtain Mobile Device Locati
Page 11 and 12: Example Location <
Page 13 and 14: Example Location <
Page 15 and 16: MCC - 404 - India
Page 17 and 18: CellID - 04BE Banjara Hills
Page 19 and 20: Issues • Not all location paramet

Location Based Web Search on GSM/GPRS Mobile ... - WWW2006

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