This can be enjoyed as a main dish or as an appetizer course.
Combine cilantro, onion, lime juice, oil, Worcestershire sauce, salt and shrimp in a large bowl; toss well.
Cover and refrigerate for 30 minutes. Add tomato and avocado; stir well.
Place the beans and cumin in a food processor, and process 30 seconds or until smooth.
Spread each chip with 1-teaspoon black-bean mixture.
Top with 1-tablespoon shrimp mixture. Serve