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MatchPyramid-TensorFlow

A simple version of MatchPyramid implement in TensorFlow.

Please reference paper - Text Matching as Image Recognition [https://arxiv.org/abs/1602.06359].

Quick Start

Toy Dataset Download

You can download data from [here].

$ tar xzvf data.tar.gz

Dataset Format

Word Dictionary File

(eg. word_dict.txt)

We map each word to a uniqe number, called wid, and save this mapping in the word dictionary file.

For example,

word   wid
machine 1232
learning 1156

Corpus File

(eg. qid_query.txt and docid_doc.txt)

We use a value of string identifier (qid/docid) to represent a sentence, such as a query or a document. The second number denotes the length of the sentence. The following numbers are the wids of the sentence.

For example,

docid  sentence_length  sentence_wid_sequence
GX000-00-0000000 42 2744 1043 377 2744 1043 377 187 117961 ...

Relation File

(eg. relation.train.fold1.txt, relation.test.fold1.txt ...)

The relation files are used to store the relation between two sentences, such as the relevance relation between query and document.

For example,

relevance   qid   docid
1 3571 GX245-00-1220850
0 3571 GX004-51-0504917
0 3571 GX006-36-4612449

Embedding File

(eg. embed_wiki-pdc_d50_norm)

We store the word embedding into the embedding file.

For example,

wid   embedding
13275 -0.050766 0.081548 -0.031107 0.131772 0.172194 ... 0.165506 0.002235

Training & Evaluation

Run the following commond to train & evaluate MatchPyramid model on Letor dataset:

$ python Letor07_Train_Global.py config/letor07_mp_fold1.model

Requirements

  • Python 2.7
  • TensorFlow 1.1.0

Future Works

  • Support more similarity functions
  • Baseline models
  • Performance comparison

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A simple version of MatchPyramid implement in TensorFlow. Paper https://arxiv.org/abs/1602.06359.

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