 CREATE TABLE IF NOT EXISTS query_articles (
 	query integer references queries(id) ON DELETE CASCADE,
 	article integer references articles(id) ON DELETE CASCADE,
-	accuracy real default 1.0,
+	accuracy real default 0.0,
 	processed boolean default false,
 	primary key (query, article)
 );

	query integer references queries(id) ON DELETE CASCADE,
	word varchar(255) not null,
	pos varchar(255) not null,
	sense varchar(255) default null,
	synonyms varchar(255)[] default '{}',
	primary key (query, word, pos, sense),
	constraint word_pos unique(word, pos)

	source integer not null references sources(id) ON DELETE CASCADE,
	url text unique not null,
	filename text default null,
	keywords text default null
);

CREATE TABLE IF NOT EXISTS users (
