I am writing the following
Previous work on Topic Detection and Tracking (TDT) has achieved great success on full length document, but the techniques has yet to be fully implemented on microblogs. This is because the sources of TDT are news articles which already contains news information and structured...
I am trying to avoid joining them using a comma, as it will turn out to be a very lengthy sentence. At the same time, I wish to reduce "this is because" to a shorter version (preferably 1 word). I tried to remove it but it sounded odd and did not flow together well.
Can I get some suggestions, please? Thanks.