This repo holds the official MS MARCO document ranking leaderboard and describes the process for submitting runs. All associated data for the task (corpus, training data, eval queries, etc.) are available here.

To make a submission, please follow these instructions:

1. Decide on a submission id, which will be a permanent (public) unique key. The submission id should be of the form yyyymmdd-foo, where foo can be a suffix of your choice, e.g., your group's name. Please keep the length reasonable. See here for examples. yyyymmdd should correspond to the submission date of your run.

2. In the directory submissions/, create the following files:

   1. submissions/yyyymmdd-foo/dev.txt.bz2 - run file on the dev queries (msmarco-docdev-queries.tsv), bz2-compressed

   2. submissions/yyyymmdd-foo/eval.txt.bz2 - run file on the eval queries (docleaderboard-queries.tsv), bz2-compressed

   3. submissions/yyyymmdd-foo-metadata.json, in the following format:

       {
         "team": "team name",
         "model_description": "model description",
         "paper": "url",              // URL to paper
         "code": "url",               // URL to code
         "type": "full ranking"       // either 'full ranking' or 'reranking'
       }
      

      Leave the value of paper and code empty (i.e., the empty string) if not available. These fields correspond to what is shown on the leaderboard.

3. Run our evaluation script to make sure everything is in order (and fix any errors):

   $ python eval/run_eval.py --id yyyymmdd-foo

4. Package (i.e., encrypt) the submission using the following script:

   $ eval/pack.sh yyyymmdd-foo

5. Open a pull request against this repository. The subject (title) of the pull request should be "Submission yyyymmdd-foo", where yyyymmdd-foo is the submission id you decided on. This pull request should contain exactly three files:

   1. submissions/yyyymmdd-foo.key.bin.enc - the encrypted key
   2. submissions/yyyymmdd-foo.tar.enc - the encrypted tarball
   3. submissions/yyyymmdd-foo-metadata.json.enc - the encrypted metadata

IMPORTANT NOTE: You might want to save the unencrypted version of the key you've generated, i.e., submissions/yyyymmdd-foo.key.bin. You'll need it if you want to, for example, change your metadata later on. If you don't keep it, you'll lose it forever, because the pack.sh script generates a random key each time, see here.

The goal of the MS MARCO leaderboard is to encourage coopetition (cooperation + competition) among various groups working on deep learning and other methods for search that requires or benefits from large-scale training data. So, while we encourage friendly competition between different participating groups for top positions on the leaderboard, our core motivation is to ensure that over time the leaderboard provides meaningful scientific insights about how different methods compare to each other and answer questions like whether we are making real progress as a research community. All participants are requested to abide by this spirit of coopetition and strictly observe good scientific principles when participating. We will follow an honour system and expect participants to ensure that they are acting in compliance with both the policies and the spirit of this leaderboard. We will also periodically audit all submissions ourselves and may flag issues as appropriate.

The eval set is meant to be a blind set. We want to discourage modeling decisions based eval numbers to avoid overfitting to the set. To ensure this, we request participants to submit:

1. No more than 2 runs in any given period of 30 days.
2. No more than 1 run with very small changes, such as different random seeds or different hyper-parameters (e.g., small changes in number of layers or number of training epochs).

Participants who may want to run ablation studies on their models are encouraged to do so on the dev set, but not on the eval set.

The metadata you provide during run submission is meant to be permanent. However, we do allow "reasonable" updates to the metadata as long as it abides by the spirit of the leaderboard (see above). These reasons might include adding links to a paper or a code repository, fixing typos, clarifying the description of a run, etc. However, we reserve the right to reject any changes.

It is generally expected that the team description in the metadata file will include the name of the organization (e.g., university or company). In many cases, submissions explicitly list the contributors of the run. It is not permissible to submit a run under an alias (or a generic, nondescript team) to first determine "how you did", and then ask for a metadata change only after you've been shown to "do well". We will reject metadata change requests in these circumstances. Thus, you're advised to make the team description as specific as possible, so that you can claim "credit" for doing well. We further request that your team description unambiguously identify who you are (for example, your identify should be fairly clear given a web search). Submissions with metadata containing ambiguous team identifies may be rejected.

To update the metadata of a particular run, you'll need to encrypt a new metadata JSON file with the same key that you used in the original submission. The command to encrypt the metadata is here. Hopefully, you've saved the key? If you've lost it, get in touch with us and we'll send you the key back via another channel (e.g., email). Once you've created a new metadata JSON file (i.e., submissions/yyyymmdd-foo-metadata.json.enc), send us a pull request with it. Please make the subject of the pull request something obvious like "Metadata change for yyyymmdd-foo". Also, please make it clear to us that you have "permission" to change the metadata, e.g., the person making the change request is the same person who performed the original submission.

We allow anonymous submissions. Note that the purpose of an anonymous submission is to support blind reviewing for corresponding publications, not as a probing mechanism to see how well you do, and then only make your identity known if you do well.

Anonymous submissions should still contain accurate team and model information in the metadata JSON file, but on the leaderboard we will anonymize your entry. By default, we allow an embargo period of anonymous submissions for up to nine months. That is, after nine months, your identity will be revealed and the leaderboard will be updated accordingly. Additional extensions to the embargo period based on exceptional circumstances can be discussed on a case-by-case basis; please get in touch with the organizers.

For an anonymous submission, the metadata JSON file should have an additional field:

"embargo_until": "yyyy/mm/dd"

Where the date in yyyy/mm/dd format cannot be more than nine months past the submission date. For example, if the submission date is 2020/11/01, the longest possible embargo period is 2021/07/31. Of course, you are free to specify a shorter embargo period if you wish.

Note that even with an anonymous submission, the submission id is publicly known, as well as the person performing the submission. You might consider using a random string as the submission id, and you might consider creating a separate GitHub account for the sole purpose of submitting an anonymous run. Neither is necessary; we only provide this information for your reference.

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