An entirely new way to "clean" PLR and article directory content, making each article look unique to the search engines.

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0002-9297 Journal Article Label: 17

A really useful article explaining how to configure Wordpress manually in order to stop duplicate content from blogs ending up on search engines. This leads to lower rankings or possibly removal of sites from the search engines.

Often, in the real world, entities have two or more representations in databases. Duplicate records do not share a common key and/or they contain errors that make duplicate matching a difficult task. Errors are introduced as the result of transcription errors, incomplete information, lack of standard formats, or any combination of these factors. In this paper, we present a thorough analysis of the literature on duplicate record detection. We cover similarity metrics that are commonly used to detect similar field entries, and we present an extensive set of duplicate detection algorithms that can detect approximately duplicate records in a database. We also cover multiple techniques for improving the efficiency and scalability of approximate duplicate detection algorithms. We conclude with coverage of existing tools and with a brief discussion of the big open problems in the area.

DA - 20040831 IS - 0378-1097 (Print) LA - eng PT - Journal Article RN - 0 (Bacterial Proteins) RN - 0 (Ferredoxins) RN - 0 (Heat-Shock Proteins) RN - 0 (Proteome) RN - 0 (Rubredoxins) RN - 0 (rubrerythrin protein, Bacteria) RN - 7722-84-1 (Hydrogen Peroxide) RN - 7782-44-7 (Oxygen) RN - 9007-73-2 (Ferritin) SB - IM

DA - 19990923 IS - 0175-7598 (Print) LA - eng PT - Journal Article RN - EC 3.2.1.4 (Cellulase) RN - EC 3.2.1.91 (Cellulose 1,4-beta-Cellobiosidase) SB - IM

Dozens of box C/D small nucleolar RNAs (snoRNAs) have recently been found in eukaryotes (vertebrates, yeast), ancient eukaryotes (trypanosomes) and archae, that specifically target ribosomal RNA sites for 2'-O-ribose methylation. Although early biochemical data revealed that plant rRNAs are among the most highly ribomethylated in eukaryotes, only a handful of methylation guide snoRNAs have been characterized in this kingdom. We report 66 novel box C/D snoRNAs identified by computational screening of Arabidopsis genomic sequences that are expressed in vivo from either single genes, 17 different clusters or three introns. At the structural level, many box C/D snoRNAs have dual antisense elements often matching rRNA regions close to each other on the rRNA secondary structure, which is reminiscent of their archaeal counterparts. Remarkable specimens are found that display two antisense elements having the potential to form an extended snoRNA-rRNA duplex of 23 to 30 nt, in line with the hypothetical function of box C/D snoRNAs in pre-rRNA folding or chaperoning. In contrast to other species, many Arabidopsis snoRNAs are found in multiple isoforms mainly resulting from two different mechanisms: large chromosomal duplications and small tandem duplications producing polycistronic genes. The discovery of numerous different snoRNAs, some of them arising from common ancestors, provide new insights to understand snoRNAs evolution and the birth of new rRNA methylation sites in plants and other organisms.