chapter 5 bib update

bibliography.bib

@@ -2309,7 +2309,7 @@ year = {2012}
 }
 @article{shannon1949communication,
   title ={Communication theory of secrecy systems},
-  author ={Claude E. Shannon},
+  author ={Claude Elwood Shannon},
   journal ={Bell system technical journal},
   volume ={28},
   number ={4},
@@ -2415,7 +2415,7 @@ year = {2012}
   year={2009}
 }
 @article{DBLP:journals/coling/FraserM07,
-  author    = {Alexander M. Fraser and
+  author    = {Alexander Fraser and
                Daniel Marcu},
   title     = {Measuring Word Alignment Quality for Statistical Machine Translation},
   journal   = {Computational Linguistics},