A6: Spark Exercises . Implement the PageRank algorithm with Spark and provide suitable input to test it. Given a set of house owners information in the format: OwnerID, HouseID, Zip, Value Write a Spark program to compute the average house value of each zip code. CSIES2400/CSIEMO140 Distributed Systems MapReduce & Spark 160 A6: Spark Exercises . Write a Spark program to compute the inverted index of a set of documents. More specifically, given a set of (DocumentID, text) pairs, output a list of (word, (doci, doc2, ...)) pairs. Due date: 4 weeks CSIES2400/CSIEMO140 Distributed Systems MapReduce & Spark 161