Keep getting weird messages in the recent log entries

here it is

I don't know what it is, it is a working site/portal and this morning I noticed these

Type Date Message User Operations
4: tid 26/05/2010 - 13:37 89 Anonymous
terms 26/05/2010 - 13:37 Array ( [89] => stdClass Object ( ... Anonymous
3: term count 26/05/2010 - 13:37 1 Anonymous
3: terms 26/05/2010 - 13:37 ok Anonymous
2: node 26/05/2010 - 13:37 3628 Anonymous
1: node load 26/05/2010 - 13:37 ok Anonymous
arg2 26/05/2010 - 13:37 Anonymous
arg1 26/05/2010 - 13:37 3628 Anonymous
arg0 26/05/2010 - 13:37 node Anonymous
argument to view 26/05/2010 - 13:37 Anonymous
4: tid 26/05/2010 - 13:37 92 Anonymous
terms 26/05/2010 - 13:37 Array ( [92] => stdClass Object ( ... Anonymous
3: term count 26/05/2010 - 13:37 1 Anonymous
3: terms 26/05/2010 - 13:37 ok Anonymous
2: node 26/05/2010 - 13:37 311 Anonymous
1: node load 26/05/2010 - 13:37 ok Anonymous
arg2 26/05/2010 - 13:37 Anonymous
arg1 26/05/2010 - 13:37 311 Anonymous

please, any advice would be helpful, I don't have terminal access at the moment but I can take the site offline if I have to.

Is this weird activity? I also got the same messages in log entries by the admin (myself) once I logged in