Considering papers from the last 6 years

Signed-off-by: George Araujo <george.gcac@gmail.com>

abstracts_to_dict.py

@@ -56,7 +56,7 @@ def words_to_indices(text):
                         help='directory for saving the model')
     parser.add_argument('-i', '--ignore_arxiv_papers', action='store_true',
                         help='ignore papers from arXiv and without conference name when building paper vectors')
-    parser.add_argument('-y', '--year', type=int, default=datetime.date.today().year-5,
+    parser.add_argument('-y', '--year', type=int, default=datetime.date.today().year-6,
                         help='only keep papers from this year and later')
     args = parser.parse_args()