diff --git a/sigproc.bib b/sigproc.bib
index 5a0b3541c12c25805ecf5b10aadbef7bdb7854f5..e4f16cece764a14444b5234b085ec1dd72f8695f 100644
--- a/sigproc.bib
+++ b/sigproc.bib
@@ -140,4 +140,48 @@
   booktitle={LREC},
   pages={3168--3175},
   year={2012}
+}
+
+@inproceedings{ji2011knowledge,
+  title={Knowledge base population: Successful approaches and challenges},
+  author={Ji, Heng and Grishman, Ralph},
+  booktitle={Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies-Volume 1},
+  pages={1148--1158},
+  year={2011},
+  organization={Association for Computational Linguistics}
+}
+
+@techreport{singh12:wiki-links,
+      author    = {Sameer Singh and Amarnag Subramanya and Fernando Pereira and Andrew McCallum},
+      title     = {Wikilinks: A Large-scale Cross-Document Coreference Corpus Labeled via Links to {Wikipedia}},
+      institute = {University of Massachusetts, Amherst},
+      number    = {UM-CS-2012-015},
+      year      = {2012}
+}
+
+@inproceedings{dredze2010entity,
+  title={Entity disambiguation for knowledge base population},
+  author={Dredze, Mark and McNamee, Paul and Rao, Delip and Gerber, Adam and Finin, Tim},
+  booktitle={Proceedings of the 23rd International Conference on Computational Linguistics},
+  pages={277--285},
+  year={2010},
+  organization={Association for Computational Linguistics}
+}
+
+@inproceedings{dalton2013neighborhood,
+  title={A neighborhood relevance model for entity linking},
+  author={Dalton, Jeffrey and Dietz, Laura},
+  booktitle={Proceedings of the 10th Conference on Open Research Areas in Information Retrieval},
+  pages={149--156},
+  year={2013},
+  organization={LE CENTRE DE HAUTES ETUDES INTERNATIONALES D'INFORMATIQUE DOCUMENTAIRE}
+}
+
+@inproceedings{davis2012named,
+  title={Named entity disambiguation in streaming data},
+  author={Davis, Alexandre and Veloso, Adriano and da Silva, Altigran S and Meira Jr, Wagner and Laender, Alberto HF},
+  booktitle={Proceedings of the 50th Annual Meeting of the Association for Computational Linguistics: Long Papers-Volume 1},
+  pages={815--824},
+  year={2012},
+  organization={Association for Computational Linguistics}
 }
\ No newline at end of file