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- Yifan Hu, Yehuda Koren, Chris Volinsky
- 2008 Eighth IEEE International Conference on Dataâ€¦
- 2008

A common task of recommender systems is to improve customer experience through personalized recommendations based on prior implicit feedback. These systems passively track different sorts of userâ€¦ (More)

- Timothy A. Davis, Yifan Hu
- ACM Trans. Math. Softw.
- 2011

We describe the University of Florida Sparse Matrix Collection, a large and actively growing set of sparse matrices that arise in real applications. The Collection is widely used by the numericalâ€¦ (More)

- Emden R. Gansner, Yifan Hu, Stephen C. North, Carlos Eduardo Scheidegger
- 2011 IEEE Pacific Visualization Symposium
- 2011

Graphs are often used to encapsulate relationships between objects. Node-link diagrams, commonly used to visualize graphs, suffer from visual clutter on large graphs. Edge bundling is an effectiveâ€¦ (More)

- Yifan Hu
- 2005

We propose a graph drawing algorithm that is both efficient and high quality. This algorithm combines a multilevel approach, which effectively overcomes local minimums, with the Barnes and Hut [1]â€¦ (More)

- Nicholas I. M. Gould, Jennifer A. Scott, Yifan Hu
- ACM Trans. Math. Softw.
- 2007

In recent years a number of solvers for the direct solution of large sparse symmetric linear systems of equations have been developed. These include solvers that are designed for the solution ofâ€¦ (More)

- Xin Dong, Laure Berti-Ã‰quille, Yifan Hu, Divesh Srivastava
- PVLDB
- 2010

Web technologies have enabled data sharing between sources but also simplified copying (and often publishing without proper attribution). The copying relationships can be complex: some sources copyâ€¦ (More)

- Emden R. Gansner, Yifan Hu, Stephen G. Kobourov
- 2010 IEEE Pacific Visualization Symposiumâ€¦
- 2010

Information visualization is essential in making sense out of large data sets. Often, high-dimensional data are visualized as a collection of points in 2-dimensional space through dimensionalityâ€¦ (More)

- Emden R. Gansner, Yifan Hu
- Graph Drawing
- 2008

Abstract. When drawing graphs whose nodes contain text or graphics, the non-trivial node sizes must be taken into account, either as part of the initial layout or as a post-processing step. The coreâ€¦ (More)

- Emden R. Gansner, Yifan Hu, Stephen G. Kobourov
- Graph Drawing
- 2010

In this paper, we consider the problem of representing graphs by triangles whose sides touch. We present linear time algorithms for creating touching triangles representations for outerplanar graphs,â€¦ (More)

- Yifan Hu, Emden R. Gansner, Stephen G. Kobourov
- IEEE Computer Graphics and Applications
- 2010

Information visualization is essential in making sense of large datasets. Often, high-dimensional data are visualized as a collection of points in 2D space through dimensionality reductionâ€¦ (More)