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- University of Science and Technology of ChinaCN10 papers
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7 papers · 1 filter
On the Centroids of Symmetrized Bregman Divergences
Frank Nielsen, Richard Nock
In this paper, we generalize the notions of centroids and barycenters to the broad class of information-theoretic distortion measures called Bregman divergences. Bregman divergence…
Collaborative OLAP with Tag Clouds: Web 2.0 OLAP Formalism and Experimental Evaluation
Kamel Aouiche, Daniel Lemire, Robert Godin
Increasingly, business projects are ephemeral. New Business Intelligence tools must support ad-lib data sources and quick perusal. Meanwhile, tag clouds are a popular community-dri…
Recommender System for Online Dating Service
Lukas Brozovsky, Vaclav Petricek
Users of online dating sites are facing information overload that requires them to manually construct queries and browse huge amount of matching user profiles. This becomes even mo…
Tag-Cloud Drawing: Algorithms for Cloud Visualization
Owen Kaser, Daniel Lemire
Tag clouds provide an aggregate of tag-usage statistics. They are typically sent as in-line HTML to browsers. However, display mechanisms suited for ordinary text are not ideal for…
Firebird Database Backup by Serialized Database Table Dump
Maurice HT Ling
This paper presents a simple data dump and load utility for Firebird databases which mimics mysqldump in MySQL. This utility, fb_dump and fb_load, for dumping and loading respectiv…
The Haar Wavelet Transform of a Dendrogram: Additional Notes
Fionn Murtagh
We consider the wavelet transform of a finite, rooted, node-ranked, -way tree, focusing on the case of binary () trees. We study a Haar wavelet transform on this tree. Wa…