How does this message board find similar threads?

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Discussion Overview

The discussion revolves around the mechanisms used by the message board to find and display similar threads. Participants explore various theories regarding the algorithms and methods employed, including keyword searching and potential future developments in search technology.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant questions whether the similarity matches are based on summarizing entire threads or using tags.
  • Another participant suggests that keyword searching algorithms are likely used, referencing ongoing research into context search algorithms by IBM.
  • A different viewpoint posits that the system may simply select a random word from the thread title to find matches.
  • One participant expresses skepticism about the current capabilities of the website, noting that advanced context search algorithms are still in development.
  • There is speculation that the forum might employ a full-text search method using words from thread titles across initial posts.

Areas of Agreement / Disagreement

Participants do not reach a consensus on how the message board finds similar threads, with multiple competing views presented regarding the methods and algorithms used.

Contextual Notes

There are limitations in the discussion regarding the assumptions about the algorithms in use, the definitions of search methods, and the potential for future developments that remain unresolved.

feynomite
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I've noticed that at the bottom of each post it shows similar threads, and the matches are pretty good.

Does anyone know how it goes about doing this? Does it summarize an entire thread? Does it use tags?
 
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Pretty good question... I'd imagine that it just simply uses key-word searching algorithms. IBM's Computer Science Research and Development department are talking about trying to develop a "context" search algorithm instead. So, instead of getting a search engine which might use your keyword and synonyms for the word, you have an algorithm which (somehow) understands the context of what you're searching for.
I doubt that this website has that, since it's still in development, but they might have something nifty.
 
It just picks up a random word from the thread title.
 
michinobu said:
Pretty good question... I'd imagine that it just simply uses key-word searching algorithms. IBM's Computer Science Research and Development department are talking about trying to develop a "context" search algorithm instead. So, instead of getting a search engine which might use your keyword and synonyms for the word, you have an algorithm which (somehow) understands the context of what you're searching for.
I doubt that this website has that, since it's still in development, but they might have something nifty.

Cool concept IBM has there.. kind of like semantic web.

Maybe one day when I have time I'll take a peak at the vBulletin source code. I'm thinking it does a full-text search using the words in the title (eg: "how + does + this + message...") onto all initial posts of threads.
 

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