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System Fusion for Improving Performance in Information Retrieval Systems
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Optimal multimodal fusion for multimedia data analysis
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WWW '05 Proceedings of the 14th international conference on World Wide Web
Improving web search results using affinity graph
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Early versus late fusion in semantic video analysis
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MIR '06 Proceedings of the 8th ACM international workshop on Multimedia information retrieval
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Video search reranking through random walk over document-level context graph
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ICML '09 Proceedings of the 26th Annual International Conference on Machine Learning
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MM '09 Proceedings of the 17th ACM international conference on Multimedia
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MM '09 Proceedings of the 17th ACM international conference on Multimedia
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Coclustering Multiple Heterogeneous Domains: Linear Combinations and Agreements
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Image re-ranking and rank aggregation based on similarity of ranked lists
Pattern Recognition
A heterogenous automatic feedback semi-supervised method for image reranking
Proceedings of the 22nd ACM international conference on Conference on information & knowledge management
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Multimedia documents in popular image and video sharing websites such as Flickr and Youtube are heterogeneous documents with diverse ways of representations and rich user-supplied information. In this paper, we investigate how the agreement among heterogeneous modalities can be exploited to guide data fusion. The problem of fusion is cast as the simultaneous mining of agreement from different modalities and adaptation of fusion weights to construct a fused graph from these modalities. An iterative framework based on agreement-fusion optimization is thus proposed. We plug in two well-known algorithms: random walk and semi-supervised learning to this framework to illustrate the idea of how agreement (conflict) is incorporated (compromised) in the case of uniform and adaptive fusion. Experimental results on web video and image re-ranking demonstrate that, by proper fusion strategy rather than simple linear fusion, performance improvement on search can generally be expected.