A opinion dictionary expansion method is provided, which may include the following steps: calculating a plurality of representative field vocabularies of a targeted field from a plurality of vocabularies; extracting a plurality of candidate opinion vocabularies from the vocabularies; dividing the candidate opinion vocabularies into a plurality of groups according to the similarities of the candidate opinion vocabularies; and selecting a plurality of positive seed vocabularies and a plurality of negative seed vocabularies from the representative field vocabularies and calculating the semantic orientation of each candidate vocabulary of each group according to the positive seed vocabularies and the negative seed vocabularies.

Opinion dictionary expansion system and method tehreof

The invention provides an extraction modeling method and device for behavior semantic relations of sentiment words, comprising the following steps: obtaining first corpus information, extracting vocabularies in the first corpus information according to the obtained synonym relation information, and generating a first synonym list; Performing part-of-speech analysis on the vocabularies in the firstsynonym list according to the obtained part-of-speech tagging rule information to generate a second synonym list with part-of-speech tagging; Judging whether the second synonym list contains verb information or not; If yes, extracting verb information, and generating a behavior word list; Analyzing the semantic relationship among the vocabularies in the behavior word list to generate behavior semantic relationship information; And according to the behavior semantic relationship information, performing behavior semantic relationship emotion intensity division on the vocabularies in the behavior word list to generate semantic intensity relationship information of the emotion words.

An extraction modeling method and device for behavior semantic relations of sentiment words

The invention discloses a feature word granularity-oriented domain emotion dictionary construction method, which can construct an emotion dictionary for the feature word granularity in a special commodity domain. The method includes: establishing a domain corpus associated with commodity types; performing word segmentation, word property tabbing, and dependence relationship analysis on each comment, and extracting a word pair from each comment on the basis of a rule; establishing a constraint relationship matrix and a similarity matrix between the word pairs; calculating a positive transition probability matrix and a negative transition probability matrix of the word pairs respectively on the basis of the constraint relationship and the similarity between the word pairs; and finally using a two-way label propagation algorithm to calculate a polarity value of each word pair, and performing emotion tabbing on each word pair according to the polarity value.

Feature word granularity-oriented domain emotion dictionary construction method

Popular Tasks used by Researchers

How can I help with your research?

Get more enhanced response by uploading the PDFs you want me to reference.

No relevant PDFs in your library

SciSpace is the AI research assistant for academics. Run systematic literature reviews on 280M+ papers, and write papers with cited sources. Trusted by 1M+ students, PhDs & researchers.

SciSpace | AI for Research

We encountered an error while loading the panel. Please try refreshing the page.

Something went wrong

Analyze PDFs

Code & Manuscripts

Funding & Grants

Literature & Patents

Medical & Clinical Data

Systematic Review

Visualize & Present

Web & Data

Build a Google Scholar-like website for your research.

Build a website

Create charts and images for your research

Create a Chart

Write a paper for submission to a journal

Draft a manuscript

Patent Search

Design eye-catching scientific posters in minutes.

Scientific Poster Generation

Systematic Literature Review

Anyone with the link can view this chat. You can switch it back to private anytime.

One task is running at the moment. Your messages will be shown right after.

Drag and drop or click here to browse

Loved by <highlight>1 million+</highlight> researchers

Extract a list of specific topics and their sources from unstructured text

Topics

Compare and analyze relevant papers that matches with your search

Papers

Get insights from PDFs and bookmarked papers from your library

My library

Recent searches

Try searching for:

Catch AI-generated content in scholarly and non-scholarly content

{ai} Detector

Ai Writer

Get PDF Summaries, highlighted text explanations 

Chat with PDF

Effortlessly create in-text citations and bibliographies in APA and 2,500 other formats

Citation generator

Get explanations, summaries, and answers on academic papers

Ease up your research workflow with {scispace}'s cohort of exciting AI tools

Elevate your academic writing skills and convey your ideas the way you want

Paraphraser

Explore our range of reading and writing tools

Your file is being prepared and should be ready in a few minutes. If it's a large file, it might take a bit longer. You can close this window, and we'll email you the file when it's done.

You have reached a maximum limit of <strong>{limit}</strong> columns in the table. Remove at least <strong>1</strong> column to add or create another one.

Luo Yu Cheng

Author Tools

Chat about Author

Papers

Feature word granularity-oriented domain emotion dictionary construction method