乌尔曼（Jeffrey Ullman）说。（谢尔盖关于谷歌搜索引擎概况的论文，被他自己在另一篇科学论文《服务质量和电子报纸：Etel解决方案》中引用。
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In the late 1970s, Jeffrey Ullman founded Great Expectations, which invited people to record videos of themselves for perusal by potential dates.
WSJ: Book Review: Love in the Time of Algorithms
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