JPH0329028A - Knowledge expressing method for expert system - Google Patents
Knowledge expressing method for expert systemInfo
- Publication number
- JPH0329028A JPH0329028A JP1164897A JP16489789A JPH0329028A JP H0329028 A JPH0329028 A JP H0329028A JP 1164897 A JP1164897 A JP 1164897A JP 16489789 A JP16489789 A JP 16489789A JP H0329028 A JPH0329028 A JP H0329028A
- Authority
- JP
- Japan
- Prior art keywords
- meaning
- relationship
- knowledge
- relation
- bird
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 7
- 241000287127 Passeridae Species 0.000 abstract description 4
- 241001465754 Metazoa Species 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 241000287828 Gallus gallus Species 0.000 description 2
- 210000000436 anus Anatomy 0.000 description 2
- 241000282412 Homo Species 0.000 description 1
Landscapes
- Devices For Executing Special Programs (AREA)
Abstract
Description
【発明の詳細な説明】
Ａ．産業上の利用分野
この発明はエキスパートシステムにおける知識表現方法
に関するものである。[Detailed Description of the Invention] A. INDUSTRIAL APPLICATION FIELD This invention relates to a knowledge representation method in an expert system.
Ｂ．発明の概要
この発明はエキスパートシステムにおける知識表現方法
において、
フレームを定義する際、他のフレームとの関係と、その
関係の強さを記述するとともに、他の関係を全て継承し
、関係を継承する際、その関係の強さを局所的に変更出
来るようにしたことにより、知識間の関係についてその
関係の意味と、関係の強さを伴って表現することができ
るようにするとともに、集合としての意味を持つ知識を
柔軟に表現することが出来るようにしたものである。B. Summary of the Invention This invention provides a knowledge representation method in an expert system that, when defining a frame, describes the relationship with other frames and the strength of that relationship, and also inherits all other relationships and inherits the relationship. By making it possible to locally change the strength of the relationship, it is possible to express the relationship between knowledge along with the meaning and strength of the relationship, and also to express the relationship as a set. This allows meaningful knowledge to be expressed flexibly.
Ｃ．従来の技術
エキスパートシステムにおける知識表現としてはプロダ
クシタンルールが使用されているけれども、より高度な
知識表現としてはフレームによる知識表現方法がある。C. Although productive rules are used to express knowledge in conventional technical expert systems, there is a frame-based knowledge expression method for more advanced knowledge expression.
Ｄ．発明が解決しようどする課題
従来のフレームを用いたエキスパートシステムではフレ
ームの階層構造に対する意味付けがシステム側の用意す
る１種類のものだけであった。D. Problems to be Solved by the Invention In conventional expert systems using frames, only one type of meaning can be assigned to the hierarchical structure of frames, prepared by the system.
また、特にその意味付けを使用者に許すことを特徴とし
たシステムにおいても、その機能はフレーム１対１の関
係を定義するにとどまり、集合を扱うＬで不−ト分なも
のであった。Furthermore, even in a system that is characterized by allowing the user to assign meaning to the system, its function is limited to defining a one-to-one relationship between frames, which is an incomparable feature of L that handles sets.
この発明は上記の事情に鑑みてなされたもので、知識間
の関係について、その関係の意味と、関係の強さを伴っ
て表現することができるようにするとともに、集合とし
ての意味を持つ知識を柔軟に表現することができるエキ
スパートシステムにおける知識表現方法を提供すること
を目的とする。This invention was made in view of the above circumstances, and it enables the relationship between knowledge to be expressed along with the meaning of the relationship and the strength of the relationship. The purpose of this study is to provide a knowledge representation method in an expert system that can flexibly represent knowledge.
Ｅ，課題を解決するための手段
この発明はフレームを用いたエキスパートシステムにお
いて、フレームの階層構造にその階層のき味と、その意
味の強さを設定させた後、前記階層の意味と、その意味
の強さが下位のフレームに継承されるようにするととも
に、意味の強さを局所的に変更できるようにしたことを
特徴とするものである。E. Means for Solving the Problems In an expert system using frames, the present invention sets the texture of the hierarchy and the strength of its meaning in the hierarchical structure of the frame, and then determines the meaning of the hierarchy and its meaning. This method is characterized in that the strength of meaning is inherited by lower-order frames, and that the strength of meaning can be locally changed.
Ｆ．作用
フレームの階層構造に対し任意の意味付けを行い、かつ
意味付けの強さを数値で表現する。また、上位フレーム
の持つ意味情報が下位フレームに継承され、特に、言及
したい場合には関係の強さを局所的に変更できる。F. An arbitrary meaning is assigned to the hierarchical structure of action frames, and the strength of the meaning is expressed numerically. Further, the semantic information of the upper frame is inherited by the lower frame, and the strength of the relationship can be locally changed especially when it is desired to mention it.
Ｇ．実施例
工゛λ下この発明の実施例を図面に基づいて説明するに
、この実施例では人間に属するＡ，Ｂと鳥に５４−４−
るＣ，ｔ）の関係を表現した例を示す。G. EMBODIMENT OF THE INVENTION Below, an embodiment of the present invention will be described based on the drawings. In this embodiment, A and B belonging to humans and 54-4-
An example expressing the relationship between C and t) is shown below.
まず、フレームを定義するために次のようにプログラム
する。First, program as follows to define the frame.
（ＤＥＦＲＡＭＥ動物）
（ＤＥＦＲＡ肛（人間（動物ＳＵＢＳＥＴ） （鳥ＥＡ
Ｔ）））（ＤＥＦＲＡＭＥ （Ａ （人間ＳＵＢＳＥＴ
）））（ＤＥＦＲＡＭＥ （Ｂ （人間Ｓ［ＩＢＳＥＴ
） （鳥ＥＡＴ ：ｃｒ ０．０）））（ＤＥＦＲＡＭ
Ｅ （鳥（動物ＳＩＪＢＳＥＴ）））（ＤＥＦＲＡＭＥ
（スズメ （鳥ＳＵＦＩＳＥＴ）））（ＤＥＦＲＡＪ
ＩＥ （ニワトリ （鳥ＳＵＢＳ＋’：Ｔ）））（ＤＦ
．ＦＲＡ肛（Ｃ （スズメ ＳＵＢＳＥＴ）））（ＤＥ
ＦＲＡ肛（Ｄ（ニワトリ ＳＵＢＳＥＴ）））上記フレ
ームの定義のプログラムにおいて、「ＤＥ Ｆ Ｒ Ａ
Ｍ Ｅ Ｊはフレームを定義する関数、「ＥＡＴＪ，
ｒｓｔＪＲｓＥＴＪはそれぞれフレーム間の関係を表わ
すキーワードで、特にｒ ｓ ＴＪ Ｒ Ｓ ＥＴ］は
他の全ての関係の継承を宣言するための特別な関係名で
ある。「人間」という用語は定義しようとするフレーム
名、１動物」という用語は関係について言及する相手フ
レーム名、ｒｃｆ Ｏ．０」は関係の強さ（確信度）
である。(DEFRAME ANIMAL) (DEFRAME ANAL(HUMAN(ANIMAL SUBSET)) (BIRD EA
T)))(DEFRAME (A (human SUBSET)
)))(DEFRAME (B (Human S[IBSET
) (Bird EAT: cr 0.0))) (DEFRAM
E (Bird (Animal SIJBSET))) (DEFRAME
(Sparrow (Bird SUFISET))) (DEFRAJ
IE (chicken (bird SUBS+':T))) (DF
．． FRA anus (C (sparrow SUBSET))) (DE
FRA anus (D (chicken SUBSET))) In the program of the above frame definition, "DE F R A
M E J is a function that defines a frame, “EATJ,
rstJRsETJ are keywords each representing a relationship between frames, and in particular, rstJRsETJ is a special relationship name for declaring inheritance of all other relationships. The term "human" is the name of the frame to be defined, the term "animal" is the name of the other frame that refers to the relationship, rcf O. 0” is the strength of the relationship (confidence)
It is.
第ｌ図は上記に示したプログラムのフレーム構成の説明
図であり、第２図は第１図の集合的表現の説明図である
。FIG. 1 is an explanatory diagram of the frame structure of the program shown above, and FIG. 2 is an explanatory diagram of the collective expression of FIG. 1.
上述したような知識がエキスバー！・システムに人力さ
れているとき、１人間１のｒ Ｓ ＩＪ Ｒ Ｓ ＥＴ
．．１であるＡは、「鳥」のｒｓＵＢｓＥＴＪである
「スズメ」のｒ Ｓ ［Ｊ Ｒ Ｓ Ｅ Ｔ−ノＣに対
してｒ Ｅ Ａ Ｔ Ｊなる関係を持つ。これはＡが「
人間」の［−鳥」に対する関係を継承していることによ
る。The above knowledge is an expert!・When the system is human-powered, one person has one r S IJ R S ET.
．． ．． A, which is 1, has the relationship r E AT J with respect to r S [J R S E T-noC, which is rsUBsETJ of "bird", which is "sparrow". This means that A is
This is because the relationship between "human" and "-bird" has been inherited.
一方、Ｂは「鳥」に対するｒＥＡＴＪという関係をｒ
ｏ ， ｏ ．．．Ｈの確信度（Ｃ ｆ）で継承してい
るので、ＲはＣに対し、ｒｏ．ＯＪの確信度で「ＥＡ
Ｔ １なる関係を持つ。このことはＨがＣに対し１−
Ｅ Ａ Ｔ Ｊなる関係を持っていないと考えても良い
。On the other hand, B has the relationship rEATJ for "bird" with r
o, o. ．． ．． Since it is inherited by H's confidence (C f), R has ro. With OJ's confidence level, EA
T has a relationship of 1. This means that H is 1- with respect to C.
It may be considered that there is no E A T J relationship.
１．−１ ．発明の効果
以ト述べたように、この発明によれば、フレームを用い
て知識を表現する際に、知識間の関係についてその関係
の意味と、関係の強さを伴って表現することができると
とも？こ、集合としての意味を持つ知識を柔軟に表現す
ることができる利点がある。1. -1. Effects of the Invention As described above, according to this invention, when expressing knowledge using frames, it is possible to express the relationship between knowledge together with the meaning of the relationship and the strength of the relationship. With? This has the advantage of being able to flexibly express knowledge that has meaning as a set.
【図面の簡単な説明】
第１図はこの発明の実施例を示すフレーム構成の説明図
、第２図は第１図の集合的表現の説明図である。
外２名BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an explanatory diagram of a frame structure showing an embodiment of the present invention, and FIG. 2 is an explanatory diagram of a collective representation of FIG. 1. 2 people outside
Claims (1)
、 フレームの階層構造にその階層の意味と、その意味の強
さを設定させた後、前記階層の意味と、その意味の強さ
が下位のフレームに継承されるようにするとともに、意
味の強さを局所的に変更できるようにしたことを特徴と
するエキスパートシステムにおける知識表現方法。(1) In an expert system using frames, after setting the meaning and the strength of that meaning in the hierarchical structure of the frame, the meaning of the said hierarchy and the strength of that meaning are inherited by lower frames. A method for expressing knowledge in an expert system, which is characterized in that the strength of meaning can be locally changed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1164897A JPH0329028A (en) | 1989-06-27 | 1989-06-27 | Knowledge expressing method for expert system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1164897A JPH0329028A (en) | 1989-06-27 | 1989-06-27 | Knowledge expressing method for expert system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0329028A true JPH0329028A (en) | 1991-02-07 |
Family
ID=15801946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1164897A Pending JPH0329028A (en) | 1989-06-27 | 1989-06-27 | Knowledge expressing method for expert system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0329028A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9261852B2 (en) | 2014-02-27 | 2016-02-16 | Ricoh Company, Ltd. | Acoustic device, and electronic device and image forming apparatus incorporating same |
-
1989
- 1989-06-27 JP JP1164897A patent/JPH0329028A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9261852B2 (en) | 2014-02-27 | 2016-02-16 | Ricoh Company, Ltd. | Acoustic device, and electronic device and image forming apparatus incorporating same |
| US9478208B2 (en) | 2014-02-27 | 2016-10-25 | Ricoh Company, Ltd. | Acoustic device, and electronic device and image forming apparatus incorporating same |
| US9653061B2 (en) | 2014-02-27 | 2017-05-16 | Ricoh Company, Ltd. | Acoustic device, and electronic device and image forming apparatus incorporating same |
| US9711124B2 (en) | 2014-02-27 | 2017-07-18 | Ricoh Company, Ltd. | Acoustic device, and electronic device and image forming apparatus incorporating same |
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