Cover -- Title -- Copyright -- About the Author -- Abstract -- Contents -- Chapter 1-Web Scale Discovery -- What Is Web Scale Discovery? -- Why Web Scale Discovery? -- Audience and Scope -- A Few Key Concepts -- Notes -- Chapter 2-OCLC WorldCat Local -- Overview -- Content and Scope -- Interface Features: Overview, Results, and Navigation -- Additional Features -- Upcoming Directions -- Notes -- Chapter 3-Serials Solutions Summon -- Overview -- Content and Scope -- Interface Features: Overview, Results, and Navigation -- Additional Features -- Upcoming Directions -- Note -- Chapter 4-Ebsco Discovery Services -- Overview -- Content and Scope -- Interface Features: Overview, Results, and Navigation -- Additional Features -- Upcoming Directions -- Chapter 5-Ex Libris Primo Central -- Overview -- Content and Scope -- Interface Features: Overview, Results, and Navigation -- Additional Features -- Upcoming Directions -- Chapter 6-Differentiators and A Final Note -- Content -- Metadata and Relevancy -- Price -- Integration with Other Systems -- The Interface -- A Final Note -- Note -- Chapter 7-Questions to Consider -- Section 1: General and Background Questions -- Section 2: Local Library Resources -- Section 3: Publisher and Aggregator Agreements and Indexed Content -- Section 4: Open-Access Content -- Section 5: Relevancy Ranking -- Section 6: Authentication and Rights Management -- Section 7: User Interface -- For More Information.