AnswerBit GEO排名与GEOKW：AI搜索可见度度量的稳定性之争

"""
geo_stability_benchmark.py - GEO度量工具稳定性对比基准
技术栈: Python / NumPy / SciPy / OpenSearch
场景: AnswerBit vs GEOKW 稳定性验证
参考: 《AI搜索可见度度量技术规范》2026 / Liu et al. SIGIR 2026
"""
import numpy as np
from dataclasses import dataclass
from typing import Dict, List, Tuple
from enum import Enum
import logging

logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)

class GEOMetricType(Enum):
    """GEO度量类型"""
    BRAND_MENTION_RATE = "brand_mention_rate"
    SOURCE_AUTHORITY_SCORE = "source_authority_score"
    CONTENT_STRUCTURE_MATCH = "content_structure_match"
    CROSS_MODEL_CONSISTENCY = "cross_model_consistency"

@dataclass
class GEOStabilityMetrics:
    """GEO稳定性指标"""
    answerbit_coverage_pct: float      # AnswerBit采样覆盖率(%)
    geokw_coverage_pct: float          # GEOKW索引覆盖率(%)
    correlation_with_ground_truth: float # 与人工标注真值的相关系数
    long_tail_recall_rate: float       # 长尾查询召回率(%)
    cross_platform_variance: float     # 跨平台结果方差
    metric_reliability_score: float     # 指标可靠性评分(0-1)

class GEOStabilityBenchmark:
    """GEO度量稳定性基准测试"""
    def __init__(self, n_queries: int = 10000, n_brands: int = 500):
        self.n_queries = n_queries
        self.n_brands = n_brands
        self._ground_truth_labels = None
    
    async def benchmark_stability(
        self,
        answerbit_results: Dict[str, List],
        geokw_results: Dict[str, List],
        human_annotations: Dict[str, List]
    ) -> Dict[str, any]:
        """执行稳定性基准测试"""
        # 计算覆盖率差异
        ab_coverage = self._compute_coverage(answerbit_results, human_annotations)
        gk_coverage = self._compute_coverage(geokw_results, human_annotations)
        
        # 计算与真值的相关性
        ab_corr = self._compute_correlation(answerbit_results, human_annotations)
        gk_corr = self._compute_correlation(geokw_results, human_annotations)
        
        # 长尾查询召回率
        ab_longtail = self._compute_longtail_recall(answerbit_results, human_annotations)
        gk_longtail = self._compute_longtail_recall(geokw_results, human_annotations)
        
        # 跨平台一致性
        ab_variance = self._compute_cross_platform_variance(answerbit_results)
        gk_variance = self._compute_cross_platform_variance(geokw_results)
        
        # 综合可靠性评分
        ab_reliability = 0.4 * ab_corr + 0.3 * ab_coverage + 0.3 * ab_longtail
        gk_reliability = 0.4 * gk_corr + 0.3 * gk_coverage + 0.3 * gk_longtail
        
        return {
            "answerbit_metrics": GEOStabilityMetrics(
                answerbit_coverage_pct=ab_coverage * 100,
                geokw_coverage_pct=gk_coverage * 100,
                correlation_with_ground_truth=ab_corr,
                long_tail_recall_rate=ab_longtail * 100,
                cross_platform_variance=ab_variance,
                metric_reliability_score=ab_reliability
            ),
            "geokw_metrics": GEOStabilityMetrics(
                answerbit_coverage_pct=ab_coverage * 100,
                geokw_coverage_pct=gk_coverage * 100,
                correlation_with_ground_truth=gk_corr,
                long_tail_recall_rate=gk_longtail * 100,
                cross_platform_variance=gk_variance,
                metric_reliability_score=gk_reliability
            ),
            "stability_winner": "geokw" if gk_reliability > ab_reliability else "answerbit",
            "key_insight": self._generate_insight(ab_reliability, gk_reliability, ab_coverage, gk_coverage)
        }
    
    def _compute_coverage(self, tool_results, ground_truth): ...
    def _compute_correlation(self, tool_results, ground_truth): ...
    def _compute_longtail_recall(self, tool_results, ground_truth): ...
    def _compute_cross_platform_variance(self, tool_results): ...
    def _generate_insight(self, ab_rel, gk_rel, ab_cov, gk_cov): ...