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# Anserini Regressions: TIPSTER Disks 1 & 2

**Models**: various bag-of-words approaches

This page describes regressions for ad hoc topics from TREC 1-3, which use [TIPSTER Disks 1 & 2](https://catalog.ldc.upenn.edu/LDC93T3A).
The exact configurations for these regressions are stored in [this YAML file](${yaml}).
Note that this page is automatically generated from [this template](${template}) as part of Anserini's regression pipeline, so do not modify this page directly; modify the template instead.

From one of our Waterloo servers (e.g., `orca`), the following command will perform the complete regression, end to end:

```
python src/main/python/run_regression.py --index --verify --search --regression ${test_name}
```

## Indexing

Typical indexing command:

```
${index_cmds}
```

The directory `/path/to/disk12/` should be the root directory of [TIPSTER Disks 1 & 2](https://catalog.ldc.upenn.edu/LDC93T3A), i.e., `ls /path/to/disk12/` should bring up subdirectories like `doe`, `wsj`.

For additional details, see explanation of [common indexing options](common-indexing-options.md).

## Retrieval

Topics and qrels are stored in [`src/main/resources/topics-and-qrels/`](../src/main/resources/topics-and-qrels/), downloaded from NIST:

+ [`topics.adhoc.51-100.txt`](../src/main/resources/topics-and-qrels/topics.adhoc.51-100.txt): [TREC-1 Ad Hoc Topics 51-100](http://trec.nist.gov/data/topics_eng/)
+ [`topics.adhoc.101-150.txt`](../src/main/resources/topics-and-qrels/topics.adhoc.101-150.txt): [TREC-2 Ad Hoc Topics 101-150](http://trec.nist.gov/data/topics_eng/)
+ [`topics.adhoc.151-200.txt`](../src/main/resources/topics-and-qrels/topics.adhoc.151-200.txt): [TREC-3 Ad Hoc Topics 151-200](http://trec.nist.gov/data/topics_eng/)
+ [`qrels.adhoc.51-100.txt`](../src/main/resources/topics-and-qrels/qrels.adhoc.51-100.txt): [qrels for TREC-1 Ad Hoc Topics 51-100](http://trec.nist.gov/data/qrels_eng/)
+ [`qrels.adhoc.101-150.txt`](../src/main/resources/topics-and-qrels/qrels.adhoc.101-150.txt): [qrels for TREC-2 Ad Hoc Topics 101-150](http://trec.nist.gov/data/qrels_eng/)
+ [`qrels.adhoc.151-200.txt`](../src/main/resources/topics-and-qrels/qrels.adhoc.151-200.txt): [qrels for TREC-3 Ad Hoc Topics 151-200](http://trec.nist.gov/data/qrels_eng/)

After indexing has completed, you should be able to perform retrieval as follows:

```
${ranking_cmds}
```

Evaluation can be performed using `trec_eval`:

```
${eval_cmds}
```

## Effectiveness

With the above commands, you should be able to reproduce the following results:

${effectiveness}