diff --git a/.gitignore b/.gitignore
index 2795669..c20bedf 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,62 @@
 #
-# Ignore
+# Ignore some files in the tpquery project.
 #
 
+# Ignore all maven target directories
+/target
+*/target
+*/*/target
+*/*/*/target
+
+# Ignore maven release files
+release.properties
+pom.xml.next
+pom.xml.releaseBackup
+pom.xml.backup
+pom.xml.branch
+pom.xml.tag
+pom.xml.versionsBackup
+
+# Ignore copyed site resource
+/src/site/markdown/build.md
+/src/site/markdown/todo.md
+/src/site/markdown/versions.md
+/src/site/markdown/authors.md
+
+# Ignore binary files and formats
+*.o
+*.class
+*.old
+*.bak
+*.backup
+*.dat
+*.data
+*.gif
+*.bmp
+*.pdf
+*.doc
+*.zip
+*.gz
+*.db
+*.ini
+
+# Ignore ~ backup files.
+*~
+
+# Ignore some eclipse files
+.settings
+.classpath
+.project
+
+# Ignore netbeans directory
+nbproject
+
+# Ignore mac finder files
+.DS_Store
+
+# Ignore windows files. 
+# none (done by .db and .ini)
+
+# Ignore kde dolphin files
+.directory
+