Lexical indexes come from processing the preferred terms and synonyms of each concept in several steps: transforming terms into lower case, splitting into tokens, removing common words and punctuation marks, replacing tokens for the corresponding roots (by removing suffixes), generating term variation as permutations of the lexemes and filtering incorrect term variations.
MORE than a decade after Communist governments fell, and the German mark replaced Karl Marx as the icon of Eastern Europe, relatively few stocks in the region have survived the transition from planned economies to free markets in good health.
However, during the heterochromatin euchromatin switch silencing marks are replaced by activating marks, and this leads to the activation of genes in a specified genomic region (Brown 1966; Grewal and Jia 2007; Heitz 1928; Huisinga et al. 2006).
With all three devices, the physical marks are replaced with projected laser beams.
But another hopeful season started and Pedro and the Pretenders brushed away the question marks and replaced them with exclamation points.
For many years the legal method of identifying a particular shepherd's sheep were notches cut out of a sheep's ear, called lug marks – now replaced by ear tags.
At the end of the Roman Republic a so-called apex (one form looked somewhat like a hamza ) often was used to mark the long vowel, but this mark was replaced in imperial times by an acute accent.
To stem currency instability and to stabilize the economy, the gold mark was replaced by the Rentenmark in 1924, at which time a U.S. dollar was worth 4.2 billion marks.
Q. Why is it that in some e-mail messages, certain letters or punctuation marks are often replaced by question marks in the message body? A. Question marks usually appear in a message's text if your e-mail program does not know how to display the typographical character used by the sender.
On the hour mark Touré replaced Armstrong to make his debut but moments later it was all square.
