Update wmt13 info

wmt13.py

@@ -14,7 +14,7 @@
 # limitations under the License.
 
 # Lint as: python3
-"""WMT16: Translate dataset."""
+"""WMT13: Translate dataset."""
 
 import datasets
 
@@ -23,28 +23,28 @@ from .wmt_utils import Wmt, WmtConfig
 
 _URL = "http://www.statmt.org/wmt13/translation-task.html"
 _CITATION = """
-@InProceedings{bojar-EtAl:2016:WMT1,
-  author    = {Bojar, Ond\v{r}ej  and  Chatterjee, Rajen  and  Federmann, Christian  and  Graham, Yvette  and  Haddow, Barry  and  Huck, Matthias  and  Jimeno Yepes, Antonio  and  Koehn, Philipp  and  Logacheva, Varvara  and  Monz, Christof  and  Negri, Matteo  and  Neveol, Aurelie  and  Neves, Mariana  and  Popel, Martin  and  Post, Matt  and  Rubino, Raphael  and  Scarton, Carolina  and  Specia, Lucia  and  Turchi, Marco  and  Verspoor, Karin  and  Zampieri, Marcos},
-  title     = {Findings of the 2016 Conference on Machine Translation},
-  booktitle = {Proceedings of the First Conference on Machine Translation},
+@InProceedings{bojar-EtAl:2013:WMT,
+  author    = {Bojar, Ond\v{r}ej  and  Buck, Christian  and  Callison-Burch, Chris  and  Federmann, Christian  and  Haddow, Barry  and  Koehn, Philipp  and  Monz, Christof  and  Post, Matt  and  Soricut, Radu  and  Specia, Lucia},
+  title     = {Findings of the 2013 {Workshop on Statistical Machine Translation}},
+  booktitle = {Proceedings of the Eighth Workshop on Statistical Machine Translation},
   month     = {August},
-  year      = {2016},
-  address   = {Berlin, Germany},
+  year      = {2013},
+  address   = {Sofia, Bulgaria},
   publisher = {Association for Computational Linguistics},
-  pages     = {131--198},
-  url       = {http://www.aclweb.org/anthology/W/W16/W16-2301}
+  pages     = {1--44},
+  url       = {http://www.aclweb.org/anthology/W13-2201}
 }
 """
 
-_LANGUAGE_PAIRS = [(lang, "en") for lang in ["cs", "de", "fr", "ru", "es"]]
+_LANGUAGE_PAIRS = [(lang, "en") for lang in ["es", "cs", "de", "fr", "ru"]]
 
 
 class Wmt13(Wmt):
-    """WMT 16 translation datasets for all {xx, "en"} language pairs."""
+    """WMT 13 translation datasets for all {xx, "en"} language pairs."""
 
     BUILDER_CONFIGS = [
         WmtConfig(  # pylint:disable=g-complex-comprehension
-            description="WMT 2016 %s-%s translation task dataset." % (l1, l2),
+            description="WMT 2013 %s-%s translation task dataset." % (l1, l2),
             url=_URL,
             citation=_CITATION,
             language_pair=(l1, l2),