A time warp is an hypothetical, rather than fictitious, change in the continuing of space-time, such as in time dilation or challenge.

Multimedia time warping system
Derivative Dynamic Time Warping
Exact indexing of dynamic time warping
Using dynamic time warping to find patterns in time series
Scaling up dynamic time warping for datamining applications
Toward accurate dynamic time warping in linear time and space
Toward Accurate Dynamic Time Warping in Linear Time and Space
Chapter 36 - Exact Indexing of Dynamic Time Warping
Chapter 36 – Exact Indexing of Dynamic Time Warping
Efficient Retrieval of Similar Time Sequences under Time Warping