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Code for our CIKM'21 paper "Complex Temporal Qestion Answering on Knowledge Graphs"

Home Page: https://exaqt.mpi-inf.mpg.de/

Python 100.00%
gnn gst kgqa knowledge-graph temporalqa

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exaqt's Issues

Background KG

Hi,

Could you please share the background KG? It looks like you had a train_subgraph.json. Thanks a lot!

Best regards
Sirui

Problems in reproducing subgraph retrieval

Hi Zhen! I'm trying to reproduce your subgraph retrieval method for other datasets, but I encountered several problems.

  1. I am confused about how you got the facts, i.e. SPO.txt. You mentioned CLOCQ in another issue. If I got you right, did you use CLOCQ to retrieve all facts of each grounded entity?
  2. In the paper, an important step is to inject connectivity. In your implementation, however, (AFAIK) the steps of generating the connectivity file are not included. Did you also use CLOCQ's shortest path API to get the shortest path between each question nodes?
  3. Further question regarding point 2: the assumption that 2 works is that you ground at least 2 entities from the question. So if you only linked one or less entity in the question, the method doesn't work at all, am I correct?

I'd really appreciate it if you could share how you made it. Thank you in advance :)

What is the format of SPO.txt in data/files/ques_*/ directory?

Hi, thanks for the interesting work

I'm assuming SPO.txt contains a processed subgraph around the topic entities present in a question. What format is it stored in? It doesn't seem to be any 'triple' format.

For eg., data/files/ques_100/SPO.txt contains lines like

Q30-ce1df58f8415808bf89804171507f9b0-pq:||corner#Q30#0.9792777100286615#nation||United States||P7295||P1365||Q11184||Julian calendar

How should I interpret these, and can I get back the WikiData subgraph corresponding to these facts?

Thanks

Only 6970 train questions in data/dictionaries/train_subgraph.json

I just noticed that data/dictionaries/train_subgraph.json contains only 6970 questions rather than 9708 as mentioned in the paper. Test and dev_subgraph contain the correct number of questions. However data/TimeQuestions/train.json does contain all 9708 questions.

Where can I obtain the answer graphs for the remaining train questions?

Thanks

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