一 | A mystic stone castle hidden under the ground for hundreds of years, has been found in Larvik municipality in southern Norway.,The castle has long been considered a mystery, baffling Norwegian historians. It was erected by Ulrik Frederik Gyldenløve, a Danish officer and Governor-general of Norway between 1664 to 1699. He was the illegitimate son of King Frederik III, and a very powerful man himself. After a detailed account of “Gyldenløve's stone castle” were found almost 20 years ago in the State Archives, the search began in earnest, national broadcaster NRK reported.,According to the archives, the construction of thecastle began in the 1690s and was completed by 1704, the same year that Ulrik Frederik Gyldenløve died. He himself never got a chance to use it. The castle was demolished about 1760, when the ground gave way and cracks started to appear.,A new master's thesis paved the way for the excavation carried out by the Department of Landscape Architecture, the Norwegian University of Life Sciences and local archeologists. Historian,Undis Furuberg interpreted the remains of the historic manor garden, and suggesteda new calculation for where the building could be located.,Incidentally, the very same day the excavations began, archeologists hit paydirt, uncovering parts of the castle wall. Bit by bit, the foundations that have been hidden underground for several hundred years were revealed.,“It is so big that it is the National Day and Christmas Eve at the same time”, Aina Aske, project manager at the Vestfold Museums, told NRK, voicing surprise over how much of the walls have been preserved.,The excitement wasshared by her colleagues.,“This is an adventure. It is a wall that lies between one and almost two meters below the ground, and which has not been exposed to the light for a very long time”, archeologist Trude Aga Brun said.,According to Aske, the ambition is for the castle to become a tourist attraction.,WorldArchaeological Sensation as Ancient Mythical Castle Discovered on Swedish Island3 August 2021, 06:39 GMT,Gyldenløve was one of the leading general of the Danish-Swedish Scanian war 1675-79, in which an offensive from Norway forced Sweden to defend from a two-pronged attack. In Norway, where he was Governor general, he founded the city of Laurvig (modern-day Larvik) and was made its Count. In Larvik, he is remembered for the construction of several buildings, including the local church.。 8 月 24 日消息，据外媒 Phys.org 今天（24 日）报道，卡迪夫大学和墨尔本大学的一项新研究发现，生成式人工智能（GenAI）目前还无法像人类教师一样可靠地评判学生的书面作业。研究人员使用 ChatGPT 的两个版本，对 50 篇生物科学专业本科生论文进行评分，以测试大模型评估学生作业的能力。ChatGPT 需要按照 7 项标准批改这些论文，研究人员还采用了 4 种不同的提示方式，随后将大模型与人工评分的平均分和分数波动情况进行比较。图源：Pexels卡迪夫大学生物科学学院威廉 · 凯博士指出：“研究结果显示，模型给出的分数波动很大，无法准确预测人工评分。生成式 AI 与人类批改同一批论文时存在明显差异。
二 | 只看论文总分，两者给出的结果相对接近；一旦具体到每项评分标准和每一篇论文，大模型与人工评分之间的差距就相当明显。”除一种情况外，AI 模型给出的平均分普遍高于人工评分。
三 | 平均分方面，AI 模型与人工评分的最大差距达到 16.1 分；具体到单篇论文，最大差距达到 40 分。获悉，威廉 · 凯还发现，AI 往往会压低高分论文的成绩，又把低分作业的成绩抬高，最终使分数系统性地向中间集中。研究结果说明，至少现阶段，即使经过大量训练，AI 仍无法可靠地对主观性较强的书面作业给出与人类相当的分数。“我们测试的大模型目前并不适合取代教师，为学生预测作业成绩。”研究人员指出，高等教育领域确实很关注大模型能否利用模式识别能力，让学生作业评分更加客观，同时提高批改效率、减轻教职人员压力。但这项研究表明，目前并不适合这么做。此外，未经学生明确同意便把作业提交给 AI 工具，本身还涉及伦理问题；大模型也不能、也不应该被依赖来给学生的长篇书面作业评分。“随着大模型继续发展，未来模仿人类判断的能力可能会提高。但从这项研究来看，要让 AI 给出的分数与人工评分真正保持一致，恐怕并不容易。
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