Boolean Logic Model是基于集合理论和布尔代数的一种简

Boolean Logic Model是基于集合理论和布尔代数的一种简单的文本表示模型。布尔模型假定每一个特征词在一篇文档中只有两种状态:出现或不出现,而特征词对应的权值为1或0。布尔模型是一种相对简单的文本表示模型，基于布尔模型的文本过滤方法是通过逻辑运算符“and", "or", "not”把表示文本内容的特征词组织成一个特征词表达式，以此来构成用户需求，然后在目标文本中查询。如果目标文本中有满足这个特征词表达式的组合，则认为目标文本符合用户需求，否则就不符合用户的需求[2]。布尔模型的主要优点在于形式简洁、结构简单、用户操作方便，但是，其不足之处在于准确的匹配可能导致检出的文档过多或过少。

結果 (英文) 1:

Boolean Logic Model is based on set theory and Boolean algebra are a simple textual representation of the model. Boolean model assumes that each feature in a document, only two States: appears or does not appear, and feature corresponding to the weighted value is 1 or 0. Text representation of a Boolean model is a relatively simple model, based on Boolean model for text filtering is by logical operators "and", "or", "not" feature into a text content feature expressions, in order to constitute a user needs, and then query the destination text. If you have meet this target text feature combinations of expressions is considered the target text in line with user needs, otherwise it does not meet the needs of users [2]. Boolean model's main advantage is that simple, simple structure, convenient user operations, but its deficiencies is accurate matching of checked out documents may lead to too much or too little.

結果 (英文) 2:

Boolean Logic Model is a model based on set theory and Boolean algebra a simple text. Boolean model assumes that each feature words in a document, only two states: the presence or absence, and the right feature words corresponding value of 1 or 0. Boolean model is a relatively simple text representation model, text-based filtering method Boolean model is through the logical operators "and", "or", "not" the organization said the text into a characteristic feature of the word word expressions, in order to constitute the user needs, then the query in the target text. If the target text, this feature has to meet a combination of the word expression is considered the target text line with user needs, or do not meet the user's needs [2]. The main advantage is that the form of simple Boolean model, simple structure, easy user operation, but its disadvantage is that accurate matching documents may lead to the detection of excessive or too little.

結果 (英文) 3:

Boolean Logic Model is a simple text set theory and Boolean algebra representation model based on. The Boolean model assumes that each feature word in a document only two states: the presence or absence of feature words, and the corresponding weights of 1 or 0. The Boolean model is a relatively simple text representation model, Boolean model based on text is filtered through the logical operator "and", "or", "not" to express the feature words organization of text content into a feature words expression, in order to form a user demand, then the query in the target text. If the target text to meet this combination of feature words expression,Is that the target text conforms to the user demand, or it doesn't accord with the demand of the user [2]. The main advantage lies in the form of simple Boolean model, has the advantages of simple structure, convenient user operation, however, its deficiency lies in the accurate matching may lead to the detection of the document too much or too little.