Paper description:
describe the summary and list key (most essential) ideas
what were the main contributions ?
What are the most important reasons to accept the paper [when you review for a conference/ journal] or why you like this work ?
What are the most important reasons to reject
the paper [when you review for a conference/ journal] or why you dislike
this work ?
Possible reasons:
has serious technical mistakes (describe them)
isn't novel (provide/suggest related work/papers)
doesn't demonstrate (all) its point by proofs, simulations, experiments (be specific)
makes unreasonalbe assumptions (describe
them)|
Detailed comments on the paper
what did you learn reading the paper ?
what are the technical things that you
appreciated ?
Comments on their references & related work:
how does the paper relate with other works/projects/papers ?
which of them have been cited and which
you know that are related by they have not been referenced by the
authors
Comment its presentation style:
does the paper describe clearly its goals ?
did the paper deliver what originally promised ?
what were the motivations (what issues/problems inspired this research), assumptions (of the setting, requirements), contributions ?
is the bibliography format/list of keywords complete ?
Are the figures readable ? Can you see the trend ? Do they explain the trend or "strange behaviour" ? Do the results in the figures make sense ? If
not, mention it in the review. Raise questions...
list any writing style remarks/corrections
(english grammar/syntax, spelling) ...
Make concrete suggestions for how to improve
the paper:
list your recommendations. Be constructive and clear.
Do you have any unanswered questions on the
paper ?