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Brave Search introduces AI-based ‘Summarizer’ feature as a response to ChatGPT
#1
Quote:Back in 2021, the developers of the privacy-focused web browser Brave announced their own search engine to compete with Google and Bing. A year later, Brave Search officially became available to everyone. Now Brave Search is introducing a new AI-based feature called “Summarizer,” which comes as a response to ChatGPT.

Brave Search now has its own AI to answer questions

As the name suggests, Summarizer uses artificial intelligence to generate a brief summary related to what the user is searching for based on multiple sources. The AI-generated answer is displayed just above the web results and even includes the sources used for that piece of text.

However, while competitors like Microsoft Bing are pushing for ChatGPT integration, Brave Search didn’t opt for OpenAI’s GPT technology. Instead, as noted by TechCrunch, the Summarizer feature is based on different large langue models (LLMs).


https://9to5mac.com/2023/03/02/brave-sea...ummarizer/
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#2
Brave Search introduces the Summarizer, an AI tool for synthesized, relevant results

Quote:Today we’re thrilled to announce the latest AI-powered feature in Brave Search: the Summarizer.

The Summarizer provides concise and to-the-point answers at the top of Brave Search results pages, in response to the user’s input, solely based on Web search results. Unlike a purely generative AI model, which is prone to spout unsubstantiated assertions, we trained our large language models (LLMs) to process multiple sources of information present on the Web. This produces a more concise, accurate answer, expressed in coherent language.

In addition, the provenance of original sources of data is cited at all times via links. This maintains the rightful attribution of information, and helps users assess the trustworthiness of the sources, both of which are needed to mitigate the authority biases of large language models.

The Brave Summarizer is available today for all users of Brave Search, on desktop and mobile. For users who would prefer not to use the Summarizer, they can easily turn it off by opting out in settings.

Using Web results enables the Summarizer to provide real-time information that is up to date with today’s events. Given the current advancements in AI, it’s crucial to remind users that one should not believe everything an AI system produces, in much the same way one should not believe everything that is published on the Web. At the risk of stating the obvious, we should not suspend critical thinking for anything we consume, no matter how impressive the results of AI models can be.


Besides the summary itself, our AI models are also able to replace the already query-dependent snippets (result descriptions) with a summarized version of those snippets, highlighting the answer when possible. This can be viewed as a summary of a single source (such as a press article), as opposed to the main summary where multiple sources are considered and aggregated to create a more comprehensive answer. The summary at the top of the results page and these special descriptions co-occur, so users will see the overarching summary as well as snippets with highlighted answers.


“With 22 million queries per day, Brave Search is the fastest growing search engine since Bing. We provide independent search results from our own index of the Web, and today we’re further improving the relevance of those results with our AI-powered Summarizer,” said Josep M. Pujol, Chief of Search at Brave. “Unlike AI chat tools which can provide fabricated responses, the Summarizer generates a plain-written summary at the top of the search results page, aggregating the latest sources on the Web and providing source attribution for transparency and accountability. This open system is available to all Brave Search users today to help them better navigate search results.”

The Summarizer was fully developed by the Brave Search team and as such is based on the same principles of independence and privacy that we apply across all products. The Summarizer is not powered by ChatGPT or its backend systems; it is instead composed of three different LLMs 2 trained on different tasks:

1-The first one is QA (question answering): this model is used to try to extract a concrete answer, if any, from text snippets. Brave has been using LLMs for a while to improve search relevance, and this is an extension of what Brave Search already had in place to power its knowledge graph and featured snippets features. The difference lies in the number and length of text snippets analyzed.

2-After the QA extraction phase, result candidates are further classified with an ensemble of zero-shot classifiers on a wide variety of criteria (hate-speech, vulgar writing, spam, etc).

3-The final set of candidate text is ultimately processed by the summarizer/paraphrasing model, which tries to rewrite the input so that repetition is removed and that language is kept uniform to improve readability.

Note that the Summarizer is currently disabled in Brave Search Goggles (an innovative Brave Search feature that enables users to create filters to alter the ordering of search results) 3, while we refine our models to guarantee the quality of the input source for user-generated Goggles. We’ll be sharing more details about the Summarizer for Goggles in the near future.

https://brave.com/ai-summarizer/
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