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Python Search.search_by_rsv方法代码示例

本文整理汇总了Python中Search.search_by_rsv方法的典型用法代码示例。如果您正苦于以下问题:Python Search.search_by_rsv方法的具体用法?Python Search.search_by_rsv怎么用?Python Search.search_by_rsv使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Search的用法示例。


在下文中一共展示了Search.search_by_rsv方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: process_documents

# 需要导入模块: import Search [as 别名]
# 或者: from Search import search_by_rsv [as 别名]
def process_documents():
    '''Read From Document'''
    documents = Utilities.read_from_time_all()
    #documents = read_lines()
    '''Tokens and Stem Documents'''
    documents = Utilities.tokenize_stem_docs(documents)
    '''calculate doc lengths'''
    doc_len = Utilities.calculate_doc_len(documents)
    ''' term frequency'''
    tf = TFIDF.term_frequency(documents)
    '''calculates tf-idf'''
    tfidf = TFIDF.TFIDF(len(documents), tf)
    '''Read From Document'''
    queries = Utilities.read_from_time_que()
    #queries = ['pop love song', 'chinese american', 'city']
    '''Tokens and Stem Documents'''
    queries = Utilities.tokenize_stem_docs(queries)
    
    
    #print Search.search_by_cosine(tfidf,len(documents),['CARTOONISTS'.lower()])
    
    
    cosine_result = []
    rsv_result = []
    BM25_1_5 = []  #b=1 k= 0.5
    BM25_1_1 = [] #b=1 k= 1
    BM25_2_5 = [] #b=2 k= 0.5
    BM25_2_1 = [] #b=2 k= 1 
    
    
    for query in queries:
        cosine_result.append(Search.search_by_cosine(tfidf,len(documents),query))
        rsv_result.append(Search.search_by_rsv(tf,len(documents),query))
        BM25_1_5.append(Search.search_by_BM25(tf,doc_len,query,1.0,0.5))
        BM25_1_1.append(Search.search_by_BM25(tf,doc_len,query,1.0,1.0))
        BM25_2_5.append(Search.search_by_BM25(tf,doc_len,query,2.0,0.5))
        BM25_2_1.append(Search.search_by_BM25(tf,doc_len,query,2.0,1.0))
    
    #print cosine_result[1]
    '''
    read from time.rel
    '''    
    rel_dict = Utilities.read_from_time_rel()
    '''
    print result
    '''
    result = []

    result.append(('System','Precision','Recall','F1','MAP')) 
    result.append( ('cosine  ',) + Metrics.getMetrics(cosine_result,rel_dict,20)) #limit to top 20 search
    result.append( ('RSV  ',) + Metrics.getMetrics(rsv_result,rel_dict,20))
    result.append(('BM25 (1, .5) ',)+ Metrics.getMetrics(BM25_1_5,rel_dict,20))
    result.append(('BM25 (1, 1) ',)+Metrics.getMetrics(BM25_1_1,rel_dict,20))
    result.append(('BM25 (2, .5) ',)+Metrics.getMetrics(BM25_2_5,rel_dict,20)) 
    result.append(('BM25 (2, 1) ',)+Metrics.getMetrics(BM25_2_1,rel_dict,20))
    
    Utilities.tabulate(result)
    Utilities.plot_graph(result)
开发者ID:nkravi,项目名称:Information-Retrieval-,代码行数:60,代码来源:Main.py


注:本文中的Search.search_by_rsv方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。