Christian Kuoman

Learn More
In the diversity task, our strategy was to, first, try to improve relevance, and then to cluster similar images to improve diversity. We propose a four step framework, based on AHC clustering and different reranking strategies. A large number of tests on devset showed that most of the best strategies include text based reranking for pertinence, and visual(More)
Current search engines return relevant, but often similar results. In this paper we propose not only to show how to increase the diversity, but also how to address the hierarchical nature of the diversity. To address this challenge, we propose innovative image ordering strategies based on an agglomerative hierarchical classification (AHC). Moreover, we(More)
  • 1