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불용어
불용어는 관사(a, an, the), 전치사(of, in, for, through), 대명사(it, their, his)와 같이 자주 사용되며 주제 및 제목 필드에서 개별 단어로 검색되지 않는 일반적인 단어입니다. 구문에 불용어를 포함하면 불용어는 단어 자리표시자로 해석됩니다.
A ABOUT ABOVE ACCORDING ACROSS ACTUAL ADDED AFTER AGAINST AHEAD ALL ALMOST ALONE ALONG ALSO AMONG AMONGST AN AND AND-OR AND/OR ANON ANOTHER ANY ARE ARISING AROUND AS AT AWARD AWAY BE BECAUSE BECOME BECOMES BEEN BEFORE BEHIND BEING BELOW BEST BETTER BETWEEN BEYOND BIRTHDAY BOTH BUT BY CAN CERTAIN COME COMES COMING COMPLETELY CONCERNING CONSIDER CONSIDERED CONSIDERING CONSISTING DE DEPARTMENT DER DESPITE DISCUSSION DO DOES DOESNT DOING DOWN DR DU DUE DURING EACH EITHER ESPECIALLY ET FEW FOR FORWARD FROM FURTHER GET GIVE GIVEN GIVING HAS HAVE HAVING HIS HONOR HOW IN INSIDE INSTEAD INTO IS IT ITEMS ITS JUST LET LETS LITTLE LOOK LOOKS
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MADE MAKE MAKES MAKING MANY MEET MEETS MORE MOST MUCH MUST MY NEAR NEARLY NEXT NOT NOW OF OFF ON ONLY ONTO OR OTHER OUR OUT OUTSIDE OVER OVERALL PER POSSIBLY PT PUT REALLY REGARDING REPRINTED SAME SEEN SEVERAL SHOULD SHOWN SINCE SO-CALLED SOME SPP STUDIES STUDY SUCH TAKE TAKEN TAKES TAKING THAN THAT THE THEIR THEM THEN THERE THEREFROM THESE THEY THIS THOSE THROUGH THROUGHOUT TO TOGETHER TOWARD TOWARDS UNDER UNDERGOING UP UPON UPWARD VARIOUS VERSUS VERY VIA VOL VOLS VS WAS WAY WAYS WE WERE WHAT WHATS WHEN WHERE WHICH WHILE WHITHER WHO WHOM WHOS WHOSE WHY WITH WITHIN WITHOUT YET YOU YOUR
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예
pH of soil은 주제 필드에서 pH와 soil이 모두 포함된 모든 레코드를 찾습니다. 예:
pH of soil; pH and soil; pH alluvial soil; soil pH; 등.
"of"라는 단어는 불용어이기 때문에 시스템에서 무시됩니다.
vitamin A는 주제 필드에서 vitamin이라는 단어가 포함된 레코드를 모두 찾습니다. 문자 "A"는 무시됩니다.
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