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Topic-Based Tourism Ontology Construction Method

A technology of ontology construction and themes, applied in the field of tourism informatization, can solve problems such as inapplicable Chinese retrieval and use, and failure to dig deep into the characteristics of attractions to attract tourists, etc.

Active Publication Date: 2019-03-05
CHONGQING INST OF GREEN & INTELLIGENT TECH CHINESE ACADEMY OF SCI
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Problems solved by technology

The research on tourism ontology in foreign countries started earlier and is becoming more and more mature, but it is not suitable for Chinese retrieval and use; domestic research has just started, and most of them are based on the nature of the scenic spots themselves. etc., without digging into the real attractions that attractions contain

Method used

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  • Topic-Based Tourism Ontology Construction Method

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Embodiment Construction

[0021] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0022] Theme-based tourism ontology construction method, tourism ontology includes five elements of class, relationship, function, attribute and instance, this method includes the following steps:

[0023] S1: Use Python language and BeautifulSoup4 library to crawl the descriptive text content of tourist attractions on major tourism websites;

[0024] S2: After de-duplicating and de-noising the crawled data, use the Java Chinese word segmenter Ansj to segment the text;

[0025] S3: Use the document topic generation model (Latent Dirichlet Allocation, LDA) to train the above word segmentation results, get the "document-topic" matrix, and extract the topic as a point of interest; calculate the relationship between the topics through word correlation Degree, and then group the points of interest with high correlation into big themes, as the f...

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Abstract

The invention relates to a theme-based tour body building method, and belongs to the field of tour informatization. The method comprises the steps of: carrying out crawler crawling of data of descriptive text of tour sight spots on various major tour websites, carrying out de-duplication and de-noising, and then carrying out word segmentation on the text; training a document theme generation modelto obtain a document-theme matrix, and extracting themes to use the same as points of interest; obtaining relevance degrees between the themes through word relevancy, then classifying the points of the interest again into big themes, and using the same as level-one classes of a body; carrying out artificial screening according to keywords generated by word segmentation, then selecting tour projects, and putting the tour projects under the corresponding sight spots; utilizing information entropy to carry out judgement of a theme division effect; and finally carrying out building of the body. The method considers factors of regions, best tour playing seasons, recommended tour playing duration, prices and the like, is tour project-specific, and can be used for tour recommendation website navigation, dynamic tour route planning and tour information expansion searching.

Description

technical field [0001] The invention belongs to the field of tourism informatization, and relates to a method for constructing a tourism ontology based on a theme. Background technique [0002] At present, tourism has become a trend, and the increasingly large amount of tourism information makes the traditional keyword query unable to better meet the needs of users. In the final analysis, the machine's understanding and expression of natural language is not sufficient, so ontology is introduced. Ontology is a model that promotes knowledge reuse, knowledge sharing and modeling. As the core of Semantic Web, it is widely used in the expression of knowledge engineering, the construction of knowledge system and the query and retrieval of information resources. The research on tourism ontology in foreign countries started earlier and is becoming more and more mature, but it is not suitable for Chinese retrieval and use; domestic research has just started, and most of them are base...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F16/9537G06F16/9535G06F16/35G06Q50/14G06F17/27
CPCG06F16/35G06F16/9535G06F16/9537G06F40/284G06Q50/14
Inventor 林小光杜佩文钟坤华张矩
Owner CHONGQING INST OF GREEN & INTELLIGENT TECH CHINESE ACADEMY OF SCI
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