perl(HTML::Entities) is needed by perl-libwww-perl-5.805-1.1.1.noarch.rpm

When installing pre package for exadata installation:

<< http://oracletechdba.blogspot.com/2014/06/building-exadata-in-vm-for-learning.html#more >>

Error:
======
[root@Localhost Server]# rpm -ivh perl-libwww-perl-5.805-1.1.1.noarch.rpm
warning: perl-libwww-perl-5.805-1.1.1.noarch.rpm: Header V3 DSA signature: NOKEY, key ID 37017186
error: Failed dependencies:
        perl(HTML::Entities) is needed by perl-libwww-perl-5.805-1.1.1.noarch
        perl-HTML-Parser >= 3.33 is needed by perl-libwww-perl-5.805-1.1.1.noarch
[root@zajhbrritem Server]# rpm -ivh perl-HTML-Parser-3.55-1.fc6.x86_64.rpm
warning: perl-HTML-Parser-3.55-1.fc6.x86_64.rpm: Header V3 DSA signature: NOKEY, key ID 37017186
error: Failed dependencies:
        perl(HTML::Tagset) is needed by perl-HTML-Parser-3.55-1.fc6.x86_64
        perl-HTML-Tagset >= 3.03 is needed by perl-HTML-Parser-3.55-1.fc6.x86_64
       
Solution:
=======
[root@localhost Server]# rpm -ivh perl-Compress-Zlib-1.42-1.fc6.x86_64.rpm
warning: perl-Compress-Zlib-1.42-1.fc6.x86_64.rpm: Header V3 DSA signature: NOKEY, key ID 37017186
Preparing...                ########################################### [100%]
1:perl-Compress-Zlib     ########################################### [100%]
[root@localhost Server]# rpm -ivh perl-HTML-Tagset-3.10-2.1.1.noarch.rpm
warning: perl-HTML-Tagset-3.10-2.1.1.noarch.rpm: Header V3 DSA signature: NOKEY, key ID 37017186
Preparing...                ########################################### [100%]
   1:perl-HTML-Tagset       ########################################### [100%]
[root@localhost Server]# rpm -ivh perl-HTML-Parser-3.55-1.fc6.x86_64.rpm
warning: perl-HTML-Parser-3.55-1.fc6.x86_64.rpm: Header V3 DSA signature: NOKEY, key ID 37017186
Preparing...                ########################################### [100%]
   1:perl-HTML-Parser       ########################################### [100%]
[root@localhost Server]# rpm -ivh perl-libwww-perl-5.805-1.1.1.noarch.rpm
warning: perl-libwww-perl-5.805-1.1.1.noarch.rpm: Header V3 DSA signature: NOKEY, key ID 37017186
Preparing...                ########################################### [100%]
   1:perl-libwww-perl       ########################################### [100%]
[root@localhost Server]#