利用者の状況と好みに基づいた適切なコミュニケーション手段の選択手法に関する研究

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1 2006 ( 18 )

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3 Abstract of Bachelor s Thesis Academic Year 2006 A Research on a Selection Technique of Appropriate Communication Path Based on User Context and Preferences Summary: This research proposes a method to choose the best scheme for receiving path that considers its situation and preference of communication service for the Internet commnucation The communication on the Internet has been diversified by the evolution of technologies and the transformation of user s demands A lot of users have a couple of communication devices like computers mobile phones and portable game devices And these devices provides instant messaging and other multiple communication services In case that both of a sender and a receiver are able to use same communication services the sender can choose one from those However, the receiver can not choose the most appropriate even multiple services are available To solve this issue we propose a new method to choose the most appropriate communication service depends on the inferred situation of the receiver Our method infer the situation of the receiver from the events from keyboards and mouses and the target application software To evaluate our method we implemented the prototype system which grabs input events and infers the situation We tried to evaluate this prototype with the evaluation experiment which subject users use the system in keeping with the proposed scenario We confirmed the system could achieve the high hit rate 97 4% with the scenario which the subject used the computer continuously while the hit rate is 42 0% for the scenario which includes periods without computer usages From these results we proved the effectiveness and problems of our proposed method which provides the appropriate communication service selection depends on the input events of the users Keywords: 1 Unified Messaging 2 Context awareness Keio University Yusuke Okumura

4 Tangible Chat Sentient Computing Project MIRAI EAPEC

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18 10 3 2, 4,, 3.1 Tangible Chat Tangible Chat[15],, TangibleChat,,

19 3 11, 3.2 Sentient Computing Project Sentient Computing Project[1], Sentient Computing Project Bat Bat Bat,, 3.3 MIRAI, MIRAI [13] a/b/g PHS 3G MIRAI, ( / ) MIRAI MIRAI MIRAI

20 3 12, 3.4 EAPEC, EAPEC: Environment-Adaptive Personal Communicaions [9], ( )

21 , 3 MIRAI, ( / ) PC 3 Sentient Computing Project TangibleChat SentientComputingProject, TangibleChat,

22 MIRAI MIRAI EAPEC 4.3, SentientCoumputingProject, Bat, Bat TangibleChat,,

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26 5 18 Web Chat Music Movie Game Edit Terminal Firefox InternetExplorer Opera Thunderbird Becky OutlookExpless MSN Messenger LimeChat Winamp foobar2000 WindowsMediaPlayer VLC WinDVD Starcraft Warcraft3 solitaire Notepad xyzzy Word PowerPoint Illustrator Teraterm Putty PC, 5.1 PC,

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37 7 29 hwnd = GetForegroundWindow(); GetWindowThreadProcessId( hwnd &ActiveProcessId); hprocess = OpenProcess(PROCESS_QUERY_INFORMATION PROCESS_VM_READ FALSE ActiveProcessId); EnumProcessModules(hProcess ModuleHandles 1024 &RetSize); for() GetModuleFileNameEx(hProcess ModuleHandles[0], FileName BUFSIZE); 7.3, GetForegroundWindow() GetWindowThreadProcessId() OpenProcess() EnumProcessModules() GetModuleFileNameEx() , 7.4 FunctionInfo, EventHistoryList

38 7 30 struct FunctionInfo{ char *FuncName; // int Doing; // struct App *AppList; // int TermSecond; // int Threshhold; // struct EvntHistory *EventHistoryList; // int EventHistoryNum; // struct Service *ServiceList; // struct FunctionInfo *next; struct FunctionInfo *back; } EventHistory App Service 7.6 FunctionInfo EventHistoryList TermSecond Threshhold 7.6

39 7 31 struct EventHistory{ time_t tm_t; int EventNum; struct EventHistory *next; struct EventHistory *back; }; struct App { char *Appname; struct App *next; struct App *back; }; struct Service { char *ServiceName; struct Service *next; struct Service *back; }; , FunctionInfo FunctionInfo,,

40 7 32 time_t tm_t; int Totalcount; struct FunctionInfo *fi_p; struct EventHistory *eh_p; tm_t = time(null); for ( fi_p = fi_root; fi_p!=null; fi_p=fi_p->next){ if (fi_p->eventhistorylist == NULL) continue; Totalcount=0; for (eh_p = fi_p->eventhistorylist; eh_p->next!=null; eh_p=eh_p->next){ } while (fi_p->termsecond > (int)difftime(tm_t eh_p->tm_t)){ Totalcount = Totalcount + eh_p->eventnum; eh_p = eh_p->back; if (eh_p==null) break; } } if (Totalcount >= fi_p->threshhold){ fi_p->doing = DOING; }else{ fi_p->doing = NOT_DOING; 7.6

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42 : : : : Edit:120:70:TeraPad exe,winword EXE,EXCEL EXE,POWERPNT EXE:Mail Terminal:120:30:ttermpro exe,putty exe:mail Chat:300:50:MsnMsgr Exe,IPMSG exe:im 8.1 1: A 42.0% 512 Mail 2: A 66.2% 135 IM 3: A 94.0% 54 IM 4: B 92.5% 55 IM 5: B 56.8% 48 Mail 6: IM B 0.0% - IM 7: C 97.4% 23 Mail , A B C

43 8 35 Edit:120:70:TeraPad exe,winword EXE,EXCEL EXE,POWERPNT EXE:Mail Terminal:120:30:ttermpro exe,putty exe:mail Chat:300:50:MsnMsgr Exe,IPMSG exe:im Mail:600:20:B2 exe:im,mail Web:60:10:FIREFOX EXE,IEXPLORE EXE:IM,Mail Movie:180:10:wmplayer exe:im,mail Game:120:20:spider exe:im,mail Music:180:10:winamp exe:im,mail 8.2 A,,. 6,, -., A A 8.2 1: 1 : Mail A A : 42 0% : 512 2: 2 : IM A Web : 66 2%

44 8 36 Edit:120:70:xyzzy exe,notepad exe,winword EXE,EXCEL EXE,POWERPNT EXE :Mail Mail:600:20:thunderbird exe:mail,im Chat:300:50:MsnMsgr Exe,LimeChat exe:im,mail Terminal:120:30:ttermpro exe,putty exe:mail Web:60:10:firefox exe,iexplore EXE,iexplore exe:im,mail,voip Game:120:20:sol exe,winmine exe:mail Movie:180:10:vlc exe,wmplayer exe:mail Music:180:10:winamp exe:mail,im,voip 8.3 B : 135 3: 3 : IM A, A, Web A Web : 94 0% : B B 8.3 4: 4 : IM B B Web : 92 5%

45 8 37 Game:120:20:system4 0 exe,winmine exe:mail Edit:120:70:xyzzy exe,winword EXCEL EXE,POWERPNT EXE,notepad exe :Mail,IM,VoIP Terminal:120:30:ttermpro exe,putty exe:mail Web:60:10:IEXPLORE EXE:IM,Mail,VoIP Movie:180:10:mplayerc exe:mail Chat:300:50:MsnMsgr Exe:IM,Mai,VoIP Mail:600:20:B2 exe:mail,im,voip Music:180:10:mplayerc exe:mail,im 8.4 C : 55 5: 5 : Mail B Web : 56 8% : 48 6: 6 : IM IM B IM : 0 0% : C C 8.4

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51 43 [1] M. Addlesee, R. Curwen, S. Hodges, J. Newman, P. Steggles, A. Ward, A. Hopper, J. Weatherall, A. Jones, G. Girling, et al. Implementing a Sentient Computing System. IEEE Computer Magazine, Vol. 34, No. 8, pp , August [2] Microsoft Corporation. Microsoft Windows. [3] Microsoft Corporation. MSN Messenger. [4] Microsoft Corporation. Visual Studio. [5] NTT. LAN. [6] USB Implementers Forum, Inc. USB Spec., Rev [7] USB Implementers Forum, Inc. USB Spec., Rev [8] Yahoo! Japan. Yahoo!. [9],., May [10]. WILLCOM. [11]. PHS NTT. [12]. LAN. [13],,,,.., Vol. 46, No. 9, pp , September [14]. 17, May [15],,. TangibleChat, May 2003.

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