Memory Prime (novel)

Summary
From the back cover: Memory Prime: It's the central core of an immense computer library - an entire network of research planetoids. Here, the Pathfinders - the only artificial intelligences legally permitted to serve the Federation - control and sift the overwhelming data flow from thousands and thousands of research vessels across the galaxy...

Now the greatest scientists in the Federation have gathered here for the prestigious Nobel and Z-Magnees Prize ceremonies - unaware that a deadly assassin is stalking one of them. And as Captain Kirk struggles to save his ship from sabotage and his first officer from accusations of murder, he discovers the hidden assassin is far from the deadliest secret lurking on Memory Prime...