निम्नलिखित में से कौन सी एटीएंडटी बेल लेबोरेटरीज (AT&T Bell Laboratories) द्वारा विकसित एक प्रारंभिक ऑनलाइन दस्तावेज़ वितरण सेवा (Document Delivery Service) थी?

Read the following two statements and select the correct option: Statement (A): Abstracting services facilitate literature services. Statement (B): Literature review summarizes major findings of previous research.

In the context of Selective Dissemination of Information (SDI), what does the term 'profiling' refer to?