Abstract
The amount of online shops is growing daily and many Web shops focus on the same product types, like consumer electronics. Since Web shops use different product representations, it is hard to compare products among different Web shops. Duplicate detection methods aim to solve this problem by identifying the same products in differentWeb shops. In this paper, we focus on reducing the computation time of a state-of-the-art duplicate detection algorithm. First, we construct uniform vector representations for the products. We use these vectors as input for a Locality Sensitive Hashing (LSH) algorithm, which pre-selects potential duplicates. Finally, duplicate products are found by applying the Multi-component Similarity Method (MSM). Compared to original MSM, the number of needed computations can be reduced by 95% with only a minor decrease by 9% in the F1-measure.
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