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Torch vs TensorFlow vs Theano

Torch vs TensorFlow vs Theano

by Tim Emerick on December 9, 2016 with 2 Comments

For an ongoing project at CCRi, we wanted to determine whether remaining with Torch (used for Phase I of a project currently underway at CCRi running on GPUs) or switching to TensorFlow or Theano made the most sense for Phase … Read More

Software Engineering
Crossmodal Semantic Representations

Crossmodal Semantic Representations

by Tim Emerick on October 31, 2014 with No Comments

Recently at CCRi, we have been doing a lot of research in the area of reduced dimensional semantic embedding models: models where semantically similar objects possess similar representations. In a previous post, Nick discussed how such a model can be learned … Read More

Dimensionality Reduction, Semantic Embeddings, Text Analysis
Concept Extraction, Definition, and Visualization from Large RDF

Concept Extraction, Definition, and Visualization from Large RDF

by Tim Emerick on August 1, 2014 with 1 Comment

In our last post, Nick talked about how n-dimensional (for n small) real-valued representations of relational data can be constructed in a semantically rich way. These fixed length representations can then be fed into more traditional machine learning algorithms, which often require this … Read More

Dimensionality Reduction, Semantic Embeddings, Text Analysis
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