All CF approaches end up calculating a notion of similarity between users and their rated items.

所有CF方法最终都需要计算用户及其评分项目之间的相似度。

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Larson then draws up two lists — a "tortoise" portfolio and a "hare" portfolio-consisting of about 25 highly rated stocks each.

拉森随之列出了两份单子：- - -一队是“乌龟”组合，一队是“野兔”组合- - -每队都分别包含了25支高价位的股票。

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The facility he and the Fed unveiled that day will buy up to $200 billion of newly issued, top-rated asset-backed securities.

他跟Fed当天所公布的特定机构将买下新近发行的价值2000亿美元、并拥有头等评级的资产支持证券。

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With the loan market running hot in March, managers bid up lower-rated, lower-priced paper.

FORBES: Connect

With the markets running hot, investors bid up lower-rated, lower-priced paper in July.

FORBES: Leveraged loans return 1.16% in July, trailing other asset clases; 5.75% YTD

This month, HIP Investor and SNW Asset Management are teaming up to introduce an impact-rated bond portfolio, starting with muni bonds.

FORBES: Now Available: An Impact Investment-Rated Bond Portfolio