Proceedings of the 20th ACM International Conference on Information and Knowledge Management 2011
DOI: 10.1145/2063576.2063855
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Item categorization in the e-commerce domain

Abstract: Hierarchical classification is a challenging problem yet bears a broad application in real-world tasks. Item categorization in the ecommerce domain is such an example. In a largescale industrial setting such as eBay, a vast amount of items need to be categorized into a large number of leaf categories, on top of which a complex topic hierarchy is defined. Other than the scale challenges, item data is extremely sparse and skewed distributed over categories, and exhibits heterogeneous characteristics across categ… Show more

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Cited by 21 publications
(14 citation statements)
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References 9 publications
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“…The nature of our problem is similar to those reported in (Bekkerman and Gavish, 2011;Shen et al, 2011;Shen et al, 2012b;Yu et al, 2013b;Sun et al, 2014;Kozareva, 2015;? ), but with more pronounced data quality issues.…”
Section: Related Worksupporting
confidence: 88%
See 1 more Smart Citation
“…The nature of our problem is similar to those reported in (Bekkerman and Gavish, 2011;Shen et al, 2011;Shen et al, 2012b;Yu et al, 2013b;Sun et al, 2014;Kozareva, 2015;? ), but with more pronounced data quality issues.…”
Section: Related Worksupporting
confidence: 88%
“…) and splitting the taxonomy at predefined depths (Shen et al, 2011;? ) with smaller subtree models.…”
Section: Introductionmentioning
confidence: 99%
“…We select the top 10% features with the highest IG. The optimal number of features was cross-validated in a foregoing study under a similar setting [21,20]. There are 322,792 features in the coarse level.…”
Section: Coarse Level Classifiermentioning
confidence: 99%
“…Product classi cation has been studied in [5,6,13,19,30,31], mostly in a multi-level (or hierarchical) se ing. However, given the dynamic taxonomy in nature, product classi cation has not been studied as an open-world learning problem.…”
Section: Related Workmentioning
confidence: 99%