Server for automatically scoring opinion conveyed by text message containing pictorial-symbols

A server for computing an opinion score which is a score of an opinion that a message in a text file is expected to convey regarding a subject to be evaluated, wherein the message is written using literal strings and pictorial symbols, the server comprising:

• a pictorial-symbol dictionary memory storing a correspondence between designated pictorial-symbols to be rated and scores of opinions expressed by the respective pictorial-symbols;
• a pictorial-symbol extractor configured to extract from the message, at least one of the used pictorial-symbols in the message which is coincident with at least one of the designated pictorial-symbols stored in the pictorial-symbol dictionary memory;
• a pictorial-symbol opinion-score retriever configured to retrieve within the pictorial-symbol dictionary memory, at least one of the opinion scores which corresponds to the at least one extracted pictorial-symbol;
• and
• an opinion-score calculator configured to calculate an aggregate net opinion score for the message, based on an aggregate opinion score for the at least one extracted pictorial-symbol, wherein the aggregate opinion score is calculated with the at least one retrieved opinion score for the at least one extracted pictorial-symbol,
• wherein the pictorial-symbol dictionary memory stores an additional correspondence between at least one selected pictorial-symbol and at, least one intensity rate when the at least one selected pictorial-symbol is used as a linguistic modifier for describing another pictorial symbol on which the at least one selected pictorial-symbol depends linguistically, and
• the pictorial-symbol extractor extracts from the message, as a modificative pictorial-symbol, at least one of the used pictorial-symbols in the message which is coincident with at least one of the at least one selected pictorial-symbol stored in the pictorial-symbol dictionary memory,
• the server further comprising:
• an intensity-rate retriever configured to retrieve within the pictorial-symbol dictionary memory, at least one of the at least one intensity rate which corresponds to the at least one extracted modificative-pictorial-symbol;
• and
• a linguistic-dependency analyzer configured to detect from the message, as a depended pictorial-symbol, at least one of the used pictorial-symbols in the message on which each of the at least one extracted modificative-pictorial-symbol depends linguistically,
• wherein the opinion-score calculator calculates the aggregate net opinion score for the message, by multiplying the opinion score for each of the at least one detected depended-pictorial-symbol, by the intensity rate for each of the at least one extracted modificative-pictorial-symbol, wherein the opinion score and the intensity rate are defined according to the correspondence stored in the pictorial-symbol dictionary memory.