Input device, inputting method, information processing system, and input information managing method

• US 5,884,249 A
• Filed: 03/22/1996
• Issued: 03/16/1999
• Est. Priority Date: 03/23/1995
• Status: Expired due to Fees

• Current Assignee: Hitachi, Ltd.
• Original Assignee: Hitachi, Ltd.
• Inventors: Kozuka, Kiyoshi, Tano, Shunichi, Namba, Yasuharu
• Primary Examiner(s): Hudspeth, David R.
• Assistant Examiner(s): EDOUARD, PATRICK NESTOR
• Application Number:
  US08/620,923
• Time in Patent Office: 1,089 Days
• Field of Search: 704/1, 704/3, 704/9, 704/275, 704/246, 704/251, 364/275.9, 364/238.3
• US Class Current: 704/9
• CPC Class Codes: G06F 40/211 Syntactic parsing, e.g. based on context-free grammar [CFG] or unification grammars
• CPC Class Codes: G06F 40/268 Morphological analysis
• CPC Class Codes: G06F 40/30 Semantic analysis
• CPC Class Codes: G10L 15/18 using natural language modelling

Abstract

An input device which includes plural inputting units, each accepting external information, including a unit for recognizing an input time of input information accepted via each of the plural inputting means; a unit for dividing or merging the input information into a predetermined primitive analysis unit, to obtain a recognition result; a unit for estimating the input time of a unit recognition result, by using an estimating method predetermined for each of the inputting units; and a unit for collecting some of the recognition results whose estimated input times are close to one another, and outputting the collected information as a semantic analysis unit. An input content is specified by collecting plural pieces of input information being signals input from plural inputting units.

Claims

1. An input device comprising plural inputting means and a recognition result selecting section, wherein said recognition result selecting section includes:

input time recognizing means for recognizing an input time of input information accepted via each of said plural inputting means;

means for dividing or merging said input information into a predetermined primitive analysis unit to obtain a recognition result;

means for estimating an input time of said recognition result using an estimating method predetermined for each of said inputting means; and

means for collecting some of said recognition results whose estimated input times are close to one another, and outputting collected information as a semantic analysis unit.

2. The input device in accordance with claim 1, wherein at least one of said plural inputting means comprises notifying means for notifying said recognition result selecting section of input information and an input time of said input information;

and wherein said input time recognizing means recognizes the notified time as an input time of the notified input information in a case where the input time is notified from said inputting means, together with the input information, and recognizes the time at which the input information has been accepted as an input time of accepted input information in a case where the input time from said inputting means is not notified together with the input information.

3. The input device in accordance with claim 1, wherein said input time recognizing means recognizes the time at which said input information has been accepted as an input time of the input information accepted by said input time recognizing means.

4. The input device in accordance with claim 1, wherein said estimating method is a method of estimating the input time of the recognition result, based on the input time of the input information and an estimated input rate predetermined.

5. The input device in accordance with claim 1, wherein said plural inputting means include at least one of a voice recognizer, a touch-panel, a keyboard, a mouse, an eye tracker, and a graphic recognizer.

6. The input device in accordance with claim 1, wherein at least one of said input information is information in a natural language.

7. The input device in accordance with claim 6, wherein said estimating method of the input time of said input information in the natural language is a method of estimating said input time based on a time attribute of the natural language.

8. The input device in accordance with claim 7, wherein said time attribute of the natural language is at least one selected from the group of information on an input operation of said natural language, information on a character string, information on voice, information on morphemes, information on syntax, information on a device to be controlled, and information on a control procedure for said device to be controlled.

9. The input device in accordance with claim 6, wherein said primitive analysis unit of said input information in the natural language is determined based on one selected from the group of paragraph, sentence, phrase, word, morpheme, and phoneme of said input information.

10. The input device in accordance with claim 1, wherein said estimating method is a method of estimating an input time, based on at least one selected from the group of information on input operation, information on the amplitude of an input signal, information on a device to be controlled, and information on a control procedure for said device to be controlled.

11. The input device in accordance with claim 1, wherein said input time is an input start time or an input end time.

12. An information processing system comprising:

plural inputting means for accepting input information;

a recognition result selecting section for making a semantic analysis unit from at least one piece of input information accepted via said inputting means;

a semantic analyzing section for outputting instruction information predetermined for each said semantic analysis section; and

process executing means for executing a process predetermined according to said instruction information;

said recognition result selecting section including;

means for recognizing an input time of said input information accepted via said inputting means;

means for dividing or merging said input information into a predetermined primitive analysis unit to obtain a recognition result;

means for estimating an input time of said recognition result using an estimating method predetermined according to said inputting means; and

means for collecting some of said recognition results whose estimated input times are close to one another, and for notifying said semantic analyzing section of the collected information as a semantic analysis unit.

13. The information processing system in accordance with claim 12, further comprising an instruction information table that previously holds said instruction information corresponding to said semantic analysis unit;

and wherein said semantic analyzing section detects said instruction information corresponding to said semantic analysis unit notified by referring to said instruction information table, and then outputs said detected instruction information.

14. The information processing system in accordance with claim 12, further comprising a control information table which holds information representing the process corresponding to said instruction information;

and wherein said process executing means detects the process corresponding to said instruction information referring to said instruction information table, and then executes said detected process.

15. The information processing system in accordance with claim 12, wherein at least one of said plural inputting means includes means for notifying said recognition result selecting section of input information and the input time of said input information;

and wherein said input time recognizing means recognizes the notified time as an input time of the input information in a case where said input time from said inputting means is notified together with notified input information, and recognizes the time at which said input information has been accepted as an input time of accepting the input information in a case where the input time from said inputting means is not notified together with input information.

16. The information processing system in accordance with claim 12, wherein said input time recognizing means recognizes the time at which said input information has been accepted by said input time recognizing means, as the input time of the accepted input information.

17. The information processing system in accordance with claim 12, wherein said estimating method is a method of estimating the input time of said recognition result, based on the input time of the input information and an estimated input rate predetermined.

18. The information processing system in accordance with claim 12, said plural inputting means includes at least one of a voice recognizer, a touch-panel, a keyboard, a mouse, an eye tracker, and a graphic recognizer.

19. The information processing system in accordance with claim 12, further comprising at least one device to be controlled which operates according to a command;

and wherein said process executing means issues the command predetermined according to the instruction information to said device to be controlled.

20. The information processing system in accordance with claim 19, said device to be controlled includes at least one selected from the group of a display device, a database system, a printer, a video tape recorder, a voice synthesizer, a decision support system, an expert system, an operating system, a schedule management system, an address management system, a game system and a navigating system.

21. The information processing system in accordance with claim 12, said semantic analyzing section outputs, as said instruction information, a candidate with the highest priority among plural instruction information candidates predetermined according to the semantic analysis unit.

22. The information processing system in accordance with claim 12, said process executing means executes a candidate with the highest priority among plural process candidates predetermined according to the instruction information.

23. The information processing system in accordance with claim 12, further comprising a display device;

and wherein said semantic analyzing section displays instruction information candidates on said display device and selectively accepts a selection of said candidates via said inputting means and then outputs the selected candidate.

24. The information processing system in accordance with claim 12, further comprising a display device;

and wherein said process executing means displays the process candidates on said display and accepts a selection of said candidates via said inputting means and then executes the process of selected candidate.

25. The information processing system in accordance with claim 12, further comprising a display device;

and wherein said recognition result selecting section displays said semantic analysis unit on said display device.

26. The information processing system in accordance with claim 12, further comprising a display device;

and wherein said semantic analyzing section displays said instruction information on said display device.

27. The information processing system in accordance with claim 12, further comprising a display device;

and wherein said process executing means displays information showing the content of said execution process on said display device.

28. The information processing system in accordance with claim 12, wherein at least one of said plural pieces of input information is information in a natural language.

29. The information processing system in accordance with claim 28, wherein said method of estimating the input time of said input information in the natural language is a method of estimating said input time based on a time attribute of said natural language.

30. The information processing system in accordance with claim 29, wherein said time attribute of the natural language is at least one selected from the group of information on an input operation of the natural language, information on a character string, information on voice, information on morphemes, information on syntax, information on a device to be controlled, and information on a control procedure for said device to be controlled.

31. The information processing system in accordance with claim 28, wherein said primitive analysis unit of said input information in the natural language is determined based on one of said group of paragraph, sentence, phrase, word, morpheme, and phoneme of said input information.

32. The information processing system in accordance with claim 12, wherein said estimating method is a method of estimating an input time, based on at least one selected from the group of information on input operation, information on the amplitude of an input signal, information on a device to be controlled, and information on control procedure for said device to be controlled.

33. The information processing system in accordance with claim 12, wherein said input time is an input start time or an input end time.

34. An input information managing method which manages plural pieces of input information accepted via plural input means, comprising the steps of:

recognizing an input time of said input information;

obtaining a recognition result by dividing or merging said input information into a primitive analysis unit;

estimating an input time of said recognition result using an estimating method predetermined for each of said inputting means; and

collecting some of said recognition results whose estimated input times are close to one another, and then managing the collected information as a semantic analysis unit.