Embodiments of the present invention relate to a method, device and computer program product for product design based on user reviews. Reviews on a product are obtained from a plurality of users. These reviews are analyzed to determine sentiments of the users with respect to a property of the product. A plurality of candidate product designs are generated by changing a first value of the property based on the sentiments of the users. Then one or more new product designs are obtained based on the candidate product designs.
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