diff --git a/main.tex b/main.tex
index d418a59..b86f732 100644
--- a/main.tex
+++ b/main.tex
@@ -56,6 +56,11 @@
 
 \newcommand{\thetitle}{Quality \& Privacy in User-generated Big Data: Algorithms \& Techniques}
 
+\newcommand{\thething}{landmark}
+\newcommand{\Thething}{\titlecap{\thething}}
+\newcommand{\thethings}{\thething s}
+\newcommand{\Thethings}{\Thething s}
+
 \newtheorem{definition}{Definition}
 \newtheorem{example}{Example}[section]
 \newtheorem{proposition}{Proposition}