Mashable 01月23日
Report: Metas fact checking program failed to spot most disinformation
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Meta公司正逐步解散其虚假信息核查项目,此前该项目已被指责未能有效识别和标记虚假信息。一项研究发现,Meta平台上的大量俄罗斯、中国和伊朗的虚假信息帖子未被标记。Meta的算法难以识别不同措辞的虚假信息,导致同一虚假声明的不同版本逃过审查。尽管该项目偶尔成功标记了一些虚假信息,但随着Meta政策的转变,这些成果可能面临消失的风险。数字权利组织警告用户,Meta的新政策可能会进一步削弱其打击虚假信息的能力。

🚩Meta解散了其虚假信息核查项目,此前该项目被指未能有效识别和标记虚假信息,研究表明,大量外国虚假信息帖子未被标记为虚假。

🔍Meta的算法难以识别语言上的差异,如改写或释义,导致同一虚假信息以不同措辞出现时,仅部分被标记,其他版本则未被纠正,这使得虚假信息得以传播。

⚠️Meta的新政策,包括用社区笔记代替事实核查,可能无法更有效地打击虚假信息,因为社区笔记需要用户群体参与,且速度和覆盖面可能更弱,同时付费广告也被排除在社区笔记功能之外。

Meta, precursing a wave of new "free speech" policies across its platforms, is disbanding its disinformation-spotting fact checking program. According to a new report, the program was already failing to do its intended job.

Published by misinformation watchdog NewsGuard, the analysis found that only 14 percent of sampled posts with Russian, Chinese, and Iranian disinformation narratives were flagged as false by Meta. "The vast majority of posts advancing foreign disinformation narratives spread without carrying any of the fact-checking labels used by Meta: False, Altered, Partly False, Missing Context, or Satire," the organization claims.

The research was conducted across Meta platforms, using 457 identified posts that advanced 30 different false claims.

One of several reasons for this discrepancy, according to NewsGuard, is that Meta's algorithm fails to spot differences in language, such as rephrasing or paraphrasing, once a post is deemed as misinformation. In 10 of 30 narratives examined by NewsGuard, "Meta labeled one or more of the posts advancing the narrative but left uncorrected dozens of other posts containing the same false claim with the same meaning, albeit with some different wording."

While some foreign-influenced disinformation claims were caught by Meta's program, other posts appeared to never have been fact-checked, at all. "Even with the fact-checking program, malign foreign actors still found ways to exploit Meta’s platforms, and the occasional successes of the fact-checking program — such as the labeling of the Russian disinformation claim targeting Germany’s upcoming elections — are now at risk of disappearing."

Meta did not respond to either NewsGuard's or Mashable's request for comment.

The organization, and other digital rights organizations, have warned users of the platform's policy shift. "If Meta applies the same technology and rules for applying community notes to posts that it has used for fact checker-generated labels, the results are likely to be no more promising," NewsGuard wrote. "In fact, the results could be even weaker in terms of speed and coverage, because a community note requires a process in which a community of users first must be shown to have what Facebook has said has to be 'a range of perspectives.'"

On Jan. 21, Reuters reported that the company would also be exempting paid advertisements from its new Community Notes feature.

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Meta 虚假信息 信息核查 算法 社区笔记
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