Viewing profile — conceptoriented
conceptoriented
HN member- Joined
- Fri, Oct 13, 2017, 7:29 PM UTC
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About conceptoriented
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Comment #24689440
> the mapping absolutely isn’t mutable Assume f: X -> Y. We can now map x_1 to y_1 f(x_1)=y_1. And then change this same function by mapping x_1 to y_2: f(x_1)=y_2. Thus we can eas…
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Comment #24687750
Function is a mapping between two sets (of values). This mapping between values is mutable although the values are not.
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Comment #24687344
> Data never changes, but we have the possibility to create a new version of the data. Well, it depends on what you mean by data. To avoid ambiguity it is better to talk about data…
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Comment #22191145
I agree that data modeling is underestimated but it hardly can be considered a solved problem. It is very hard because there are numerous alternative understandings and formal defs…
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Comment #22190632
The concept-oriented model tries to overcome some problems of RM by relying on two constructs: sets and functions . In contrast, RM uses only sets. The idea is that data can be sto…
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Comment #17466187
> it is pretty much completely inappropriate for production since it uses no vector instructions nor GPU computation Many platforms do not have GPUs or special instructions, for ex…
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Comment #15561079
To test a machine learning algorithm, one can use "Fashion-MNIST": https://github.com/zalandoresearch/fashion-mnist "Fashion-MNIST is a dataset of Zalando's article images—consisti…
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Comment #15544646
thanks!
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Comment #15543436
> Coda is a next-generation spreadsheet designed to make Excel a thing of the past There are many projects aimed at making Excel "a thing of the past" but they focus on different n…
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Comment #15525900
From this (and many other) tutorial it is not clear if tensors in tensorflow are true mathematical tensors (that is, having covariant and contravariant indices) or they are multidi…
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Comment #15521334
The lifetime word limit is a too rigid constraint. There should be a possibility to acquire (or lose) the points you can later use for publishing your results. Then the "price" of …
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Comment #15469001
HPAT looks pretty promising. I wonder how they managed to signficantly increase performance of shuffling and sorting which are known to be quite difficult operations in map-reduce.…