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第四十四章 学习引擎源码实现WSaiOS Cognitive Learning Engine

第四十四章

WSaiOS Cognitive Learning Engine学习引擎源码实现

44.3 Pattern Learning模式学习模块源码实现

在44.2节中,我们完成了:

  • Experience对象模型;
  • Experience Repository;
  • Experience Analyzer;
  • Experience评分体系;
  • Feedback → Experience转换。

此时Learning Engine已经具备:

 id="p3j6ds"
Feedback

↓

Experience

↓

Experience Memory

但是,单个经验只能代表一次事件。

真正的学习能力来自:

从大量经验中发现重复规律。

因此WSaiOS设计:

Pattern Learning Module

模式学习模块


44.3.1 Pattern Learning定位

Pattern Learning负责:

将:

 id="m8q5we"
大量Experience

↓

共同特征

↓

行为模式

↓

可复用策略

例如:

100次内容生成任务:

经验:

Experience 1:

Keyword Analysis

↓

Semantic Structure

↓

Schema Validation

↓

Success


Experience 2:

Keyword Analysis

↓

Semantic Structure

↓

Schema Validation

↓

Success


Experience 3:

Keyword Analysis

↓

Semantic Structure

↓

Schema Validation

↓

Success

Pattern Learning发现:

 id="q8s5uk"
High Success Workflow Pattern


Keyword Analysis

↓

Semantic Structure

↓

Schema Validation

44.3.2 Pattern Learning在架构中的位置

 id="o9y5fr"
        Experience Repository


                │


                ▼


        Pattern Learning Engine


                │


        ┌───────┼────────┐


        ▼       ▼        ▼


 Pattern     Pattern    Pattern

 Discovery  Analyzer   Storage


                │


                ▼


          Knowledge Engine

44.3.3 Pattern核心对象

WSaiOS定义:

 id="q0x1cv"
Pattern


{


id,


name,


type,


conditions,


actions,


frequency,


success_rate,


confidence,


source_experiences


}

字段:

字段 说明
id 模式ID
name 模式名称
type 模式类型
conditions 触发条件
actions 执行行为
frequency 出现次数
success_rate 成功率
confidence 可信度
source_experiences 来源经验

44.3.4 Pattern模型源码

文件:

cognitive_learning/models/pattern.py

代码:

from dataclasses import dataclass



@dataclass
class Pattern:


    id:str


    name:str


    pattern_type:str


    conditions:list


    actions:list


    frequency:int=0


    success_rate:float=0.0


    confidence:float=0.0



    def to_dict(self):


        return {


            "id":
            self.id,


            "name":
            self.name,


            "type":
            self.pattern_type,


            "conditions":
            self.conditions,


            "actions":
            self.actions,


            "frequency":
            self.frequency,


            "success_rate":
            self.success_rate,


            "confidence":
            self.confidence

        }

44.3.5 Pattern Learning核心流程

流程:

 id="7q9v6x"
Experience


      │


      ▼


Feature Extraction


      │


      ▼


Similarity Analysis


      │


      ▼


Pattern Discovery


      │


      ▼


Pattern Evaluation


      │


      ▼


Pattern Repository


44.3.6 Feature Extraction特征提取

经验:

{
"task":

"content generation",


"action":

{

"workflow":

[

"analysis",

"generate",

"validate"

]

}

}

提取:

 id="9t1a3k"
Feature:


task:

content_generation


workflow:

analysis_generate_validate

源码:

class FeatureExtractor:


    def extract(
            self,
            experience
    ):


        return {


        "task":

        experience.task,


        "actions":

        list(

        experience.action.keys()

        )

        }

44.3.7 Pattern Discovery模式发现

Pattern发现算法:

WSaiOS采用:

Symbolic Similarity Matching

不是神经网络。


流程:

Experience A

      │

      ▼

Feature A



Experience B

      │

      ▼

Feature B



      │


Similarity Compare


      │


      ▼


Same Pattern

源码:

class PatternDiscovery:


    def compare(
            self,
            feature1,
            feature2
    ):


        score=0


        for key in feature1:


            if key in feature2:


                if feature1[key]==feature2[key]:

                    score+=1


        return score



    def discover(
            self,
            experiences
    ):


        patterns=[]


        for exp in experiences:


            feature=(

            FeatureExtractor()

            .extract(exp)

            )


            patterns.append(

                feature

            )


        return patterns

44.3.8 Pattern Analyzer模式分析器

负责:

  • 成功率统计;
  • 频率统计;
  • 价值判断。

文件:

pattern_analyzer.py

代码:

class PatternAnalyzer:



    def analyze(
            self,
            experiences
    ):


        total=len(experiences)


        success=0


        for exp in experiences:


            if (

            exp.evaluation

            .get("success")

            ):


                success+=1



        return {


        "frequency":

        total,


        "success_rate":

        success/total

        }

44.3.9 Pattern评分机制

WSaiOS定义:

Pattern Confidence:

公式:

Confidence

=

Frequency Weight

×

Success Rate

×

Stability

例如:

一个模式:

出现次数:

100


成功率:

95%


稳定性:

90%

计算:

0.855

44.3.10 Pattern Repository

目录:

repository_pattern.py

负责:

Pattern

保存

查询

更新

删除

数据库:

CREATE TABLE patterns
(

id TEXT PRIMARY KEY,


name TEXT,


type TEXT,


conditions TEXT,


actions TEXT,


frequency INTEGER,


success_rate REAL,


confidence REAL

);

44.3.11 Pattern Evolution模式进化

Pattern不是固定。

随着新经验进入:

旧Pattern:

Generate

↓

Validate

发现:

增加:

Semantic Analysis

更新:

Analyze

↓

Generate

↓

Validate

进化流程:

New Experience


        │


        ▼


Compare Existing Pattern


        │


        ▼


Improve Pattern


        │


        ▼


Update Repository

44.3.12 Pattern Learning Engine源码

文件:

pattern_engine.py

代码:

class PatternLearningEngine:



    def __init__(self):


        self.extractor=FeatureExtractor()


        self.discovery=PatternDiscovery()


        self.analyzer=PatternAnalyzer()



    def learn(
            self,
            experiences
    ):


        features=[]


        for exp in experiences:


            features.append(

            self.extractor.extract(exp)

            )



        analysis=(

        self.analyzer.analyze(

            experiences

        )

        )


        return {


        "features":

        features,


        "analysis":

        analysis

        }

44.3.13 与Experience Learning连接

流程:

Experience Repository


        │


        ▼


Pattern Learning


        │


        ▼


Pattern Repository

调用:

patterns = pattern_engine.learn(

experience_list

)

44.3.14 Pattern Learning工程特点

1. 符号化学习

基于:

  • Entity;
  • Attribute;
  • Relation;
  • Rule。

2. 可解释

每个Pattern:

来源明确:

Pattern

↓

Experiences

3. 可持续进化

新经验:

持续优化。


4. 支持领域扩展

例如:

医疗:

Symptom

↓

Diagnosis

↓

Treatment

商业:

Customer

↓

Behavior

↓

Decision

44.3 本节总结

本节完成:

Pattern Learning模式学习模块源码实现

实现:

✅ Pattern对象模型
✅ Feature Extraction
✅ Pattern Discovery
✅ Similarity Matching
✅ Pattern Analyzer
✅ Pattern Repository设计
✅ Pattern Evolution机制

当前第四十四章进度:

44.1 Learning Engine总体架构        ✅

44.2 Experience Learning            ✅

44.3 Pattern Learning               ✅

下一节:

44.4 Knowledge Learning知识学习模块源码实现

重点:

  • Pattern → Knowledge转换
  • Knowledge Graph更新
  • Knowledge Confidence
  • Knowledge Repository
  • Cognitive Knowledge Consolidation

进入WSaiOS:

模式 → 知识

核心阶段。

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