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-rw-r--r--tensorflow/core/example/example.proto8
1 files changed, 7 insertions, 1 deletions
diff --git a/tensorflow/core/example/example.proto b/tensorflow/core/example/example.proto
index e7142a4ef9..e36e51d8d5 100644
--- a/tensorflow/core/example/example.proto
+++ b/tensorflow/core/example/example.proto
@@ -199,7 +199,13 @@ message Example {
// to determine if all features within the FeatureList must
// have the same size. The same holds for this FeatureList across multiple
// examples.
-//
+// - For sequence modeling, e.g.:
+// http://colah.github.io/posts/2015-08-Understanding-LSTMs/
+// https://github.com/tensorflow/nmt
+// the feature lists represent a sequence of frames.
+// In this scenario, all FeatureLists in a SequenceExample have the same
+// number of Feature messages, so that the ith element in each FeatureList
+// is part of the ith frame (or time step).
// Examples of conformant and non-conformant examples' FeatureLists:
//
// Conformant FeatureLists: