CREATE TABLE venue (venueid INT, venuename VARCHAR)
CREATE TABLE writes (paperid INT, authorid INT)
CREATE TABLE author (authorid INT, authorname VARCHAR)
CREATE TABLE paperfield (fieldid INT, paperid INT)
CREATE TABLE field (fieldid INT)
CREATE TABLE paperdataset (paperid INT, datasetid INT)
CREATE TABLE keyphrase (keyphraseid INT, keyphrasename VARCHAR)
CREATE TABLE journal (journalid INT, journalname VARCHAR)
CREATE TABLE paperkeyphrase (paperid INT, keyphraseid INT)
CREATE TABLE paper (paperid INT, title VARCHAR, venueid INT, year INT, numciting INT, numcitedby INT, journalid INT)
CREATE TABLE cite (citingpaperid INT, citedpaperid INT)
CREATE TABLE dataset (datasetid INT, datasetname VARCHAR)

Keyphrases used by james fogarty in 2015
SELECT DISTINCT paperkeyphrase.keyphraseid FROM author, paper, paperkeyphrase, writes WHERE author.authorname = 'james fogarty' AND paper.paperid = paperkeyphrase.paperid AND paper.year = 2015 AND writes.authorid = author.authorid AND writes.paperid = paper.paperid
SELECT DISTINCT "paperkeyphrase"."keyphraseid" FROM "author" JOIN "writes" ON "author"."authorid" = "writes"."authorid" JOIN "paper" ON "paper"."paperid" = "writes"."paperid" AND "paper"."year" = 2015 JOIN "paperkeyphrase" ON "paper"."paperid" = "paperkeyphrase"."paperid" WHERE "author"."authorname" = 'james fogarty'