word_similarity | 基于《知网》的语义相似度计算 python2.7 API | REST library
kandi X-RAY | word_similarity Summary
kandi X-RAY | word_similarity Summary
基于《知网》的语义相似度计算 python2.7 API
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Top functions reviewed by kandi - BETA
- Loads the glossary
- Parses a specific related to a word
- Add a relation symbol for a relation
- Adds a relational primitive
- Add a word
- Get the primitive type from a string
- Add other primitive
- Add a structrural word
- Gets the word
- Set the first primitive
- Set the type of the document
- Set the word
- Test the dictionary
word_similarity Key Features
word_similarity Examples and Code Snippets
Community Discussions
Trending Discussions on word_similarity
QUESTION
Is it possible to use an arg from a SQL FUNCTION to SET a config value?
I'm trying to do something like this, but it doesn't work on PostgreSQL 10.12 (the value of the config must be a number, not an arg):
...ANSWER
Answered 2020-May-18 at 12:51You can use SET_CONFIG()
within the function
QUESTION
I'm using the pg_search_scope
feature of the Ruby pg_search
gem, and I have a Listing model with the following scope:
ANSWER
Answered 2020-Jan-28 at 22:18Cradle => c, cr, cra, rad, adl, dle, le, e
pg_trgm does not ever generate the double-space padded tigram at the end of the word, so the last trigram here is le
, not e
. This weights the beginning of words more than the ending, which is generally a reasonable thing to do.
Cras => c, cr, cra, ras, as, s
Similarly, there is no s
trigram. Also, word_similarity, counter-intuitively, does not force the substring of the right hand argument to align on word boundaries. So it treats 'cras' as if it were 'cra', since that is the higher-scoring substring, so there is no ras
or as
. And since 'cra' is not aligned to a word boundary on the right hand side, it apparently does not make an ra
either.
Maybe you want strict_word_similarity
instead.
QUESTION
"Returns a number that indicates how similar the first string to the most similar word of the second string. The function searches in the second string a most similar word not a most similar substring. The range of the result is zero (indicating that the two strings are completely dissimilar) to one (indicating that the first string is identical to one of the words of the second string)."
That's the definition of word_similarity(a,b), as I understand it, it will look for the WORD a inside the text b, splitting b by words and getting the score of the highest match word.
However, I'm seeing some inconsistencies where the word matching is not really by word, looks like all trigrams are scrambled and compared?
Example:
...ANSWER
Answered 2019-Dec-04 at 06:36Related subject on pgsql-bugs mailing list.
The substring similarity algorithm described by the author compares trigram arrays of a query string and a text. The problem is that a trigram array is optimised (duplicated trigrams are eliminated) and loses information about individual words of the text.
The query illustrates the issue:
QUESTION
I am not very used to python & machine learning code. I am testing on pytorch CBOW test, but it says something about Index Error. Can anyone help?
...ANSWER
Answered 2019-May-12 at 00:39In your code, word_similarity
is not an array, so you can't access it's 0th element. Just modify your code as:
QUESTION
I have GIN indexed column, indexed using gin_trgm_ops
.
I am searching for the term mad
using similarity:
I get:
...ANSWER
Answered 2018-Feb-22 at 19:42You should use a GiST index instead.
With the following table:
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install word_similarity
You can use word_similarity like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the word_similarity component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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