Q. How are filters connected in the pipes-and-filters pattern?

View solution

Q. What is one well-known implementation of the pipes-and-filters pattern?

View solution

Q. What does CEP (Complex Event Processing) involve?

View solution

Q. What is an event stream in the context of Complex Event Processing (CEP)?

View solution

Q. How are events defined in the spChains framework?

View solution

Q. What is the primary purpose of CEP operators (queries)?

View solution

Q. What are time windows in the context of CEP?

View solution

Q. What are the two most important variants of time windows in CEP?

View solution

Q. What is the primary purpose of moving windows in Complex Event Processing (CEP)?

View solution

Q. What is the primary characteristic of batch windows in CEP?

View solution

Q. What are the typical representations of input and output in Complex Event Processing (CEP) queries?

View solution

Q. What is a shared feature between most of the currently available stream processing engines and languages?

View solution

Q. What does the double-dash (--) notation indicate in the context of CEP subqueries?

View solution

Q. What approach does spChains use to abstract the CEP query-writing process?

View solution

Q. What is the primary advantage of using a block-based approach like spChains in CEP query writing?

View solution

Q. What is the primary function of a stream processing block in the context of spChains?

View solution

Q. What is the term for a stream processing block that filters out a subset of its entering events depending on some block parameter?

View solution

Q. What characterizes a linear processing function in a stream processing block?

View solution

Q. What does it mean for a stream processing block to have memory?

View solution

Q. How are blocks instantiated by data-centric applications in spChains?

View solution