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- Ossama Abdel-Hamid, Abdel-rahman Mohamed, Hui Jiang, Gerald Penn
- IEEE International Conference on Acoustics…
- 2012
Convolutional Neural Networks (CNN) have showed success in achieving translation invariance for many image processing tasks. The success is largely attributed to the use of local filtering and… (More)
- Ossama Abdel-Hamid, Abdel-rahman Mohamed, Hui Jiang, Li Deng, Gerald Penn, Dong Yu
- IEEE/ACM Transactions on Audio, Speech, and…
- 2014
Recently, the hybrid deep neural network (DNN)- hidden Markov model (HMM) has been shown to significantly improve speech recognition performance over the conventional Gaussian mixture model… (More)
- Christopher Collins, Gerald Penn, M. Sheelagh T. Carpendale
- IEEE Transactions on Visualization and Computer…
- 2009
While many data sets contain multiple relationships, depicting more than one data relationship within a single visualization is challenging. We introduce Bubble Sets as a visualization technique for… (More)
- Wojciech Buszkowski, Gerald Penn
- Studia Logica
- 1989
We provide an algorithm for determining a categorial grammar from linguistic data that essentially uses unification of type-schemes assigned to atoms. The algorithm presented here extends an earlier… (More)
- Bob Carpenter, Gerald Penn
- 1992
ale 3.0 is completely compatible with ale 2.0 grammars, and adds the following new features: • A semantic-head-driven generator, based on the algorithm presented in Shieber et al. (1990). The… (More)
- Abdel-rahman Mohamed, Geoffrey E. Hinton, Gerald Penn
- IEEE International Conference on Acoustics…
- 2012
Deep Belief Networks (DBNs) are a very competitive alternative to Gaussian mixture models for relating states of a hidden Markov model to frames of coefficients derived from the acoustic input. They… (More)
- Christopher Collins, M. Sheelagh T. Carpendale, Gerald Penn
- Comput. Graph. Forum
- 2009
Textual data is at the forefront of information management problems today. One response has been the development of visualizations of text data. These visualizations, commonly based on simple… (More)
- Gerald Penn, Xiao-Dan Zhu
- ACL
- 2008
We assess the current state of the art in speech summarization, by comparing a typical summarizer on two different domains: lecture data and the SWITCHBOARD corpus. Our results cast significant doubt… (More)
- Timothy A. D. Fowler, Gerald Penn
- ACL
- 2010
The definition of combinatory categorial grammar (CCG) in the literature varies quite a bit from author to author. However, the differences between the definitions are important in terms of the… (More)
The widespread availability of broadband connections has led to an increase in the use of Internet broadcasting (webcasting). Most webcasts are archived and accessed numerous times retrospectively.… (More)