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

keyphrases used by Luke S Zettlemoyer for each year
SELECT DISTINCT paperkeyphrase.keyphraseid, paper.year FROM author, paper, paperkeyphrase, writes WHERE author.authorname = 'Luke S Zettlemoyer' AND paper.paperid = paperkeyphrase.paperid AND writes.authorid = author.authorid AND writes.paperid = paper.paperid ORDER BY paper.year, paperkeyphrase.keyphraseid
SELECT DISTINCT "paperkeyphrase"."keyphraseid", "paper"."year" FROM "author" JOIN "writes" ON "author"."authorid" = "writes"."authorid" JOIN "paper" ON "paper"."paperid" = "writes"."paperid" JOIN "paperkeyphrase" ON "paper"."paperid" = "paperkeyphrase"."paperid" WHERE "author"."authorname" = 'Luke S Zettlemoyer' ORDER BY "paper"."year" NULLS FIRST, "paperkeyphrase"."keyphraseid" NULLS FIRST