KL-ONE is a well known knowledge representation system in the tradition of semantic networks and frames ; that is, it is a frame language.

These form hierarchies using subsume-relations ; in the KL-ONE terminology a super class is said to subsume its subclasses.

* KL-ONE is a well known knowledge representation system in the tradition of semantic networks and frames.

Frames in KL-ONE are called concepts.

In KL-ONE descriptions are separated into two basic classes of concepts: primitive and defined.

* R. J. Brachman and J. Schmolze, " An Overview of the KL-ONE Knowledge Representation System ", Cognitive Sci 9 ( 2 ), 1985.

An overview of the KL-ONE Knowledge Representation System.

Then, there are many frame languages, such as KL-ONE.

Amber DRPG was created in the 1980s, and is much more focused on relationships and roleplaying than most of the roleplaying games of that era.

The Amiga is a family of personal computers marketed by Commodore in the 1980s and 1990s.

One way of reducing the risk is through the illegal use of inside information, and in fact risk arbitrage with regard to leveraged buyouts was associated with some of the famous financial scandals of the 1980s such as those involving Michael Milken and Ivan Boesky.

John Patrick Shanley's " Savage in Limbo " is set in a 1980s Bronx bar called ' Scales ' where the frustrated characters feel they are unable to move.

Bubble tea, also known as pearl tea or boba tea, is a tea-based drink invented in tea shops in Taichung, Taiwan, during the 1980s.

Since the late 1980s, evidence has become available that instillation of BCG into the bladder is an effective form of immunotherapy in this disease.

It was common in tournament play in the 1980s but is now rarely used.

Boroughs proliferated in the suburban areas of the larger cities: By the 1980s there were 19 boroughs and three cities in the area that is now the City of Auckland.

Robert Quinlan " Bob " Costas ( born March 22, 1952 ) is an American sportscaster, on the air for NBC Sports television since the early 1980s.

Bubbles, who also sketched and painted privately, is best known for his distinctive contribution to the design practices associated with the British independent music scene of the 1970s and 1980s.

In the case of Software development, this moment is generally agreed to be the publication in the 1980s of the specifications for the IBM Personal Computer published by IBM employee Philip Don Estridge.

A major reason for the motorway construction " mania " of the 2000s is a previous political halt of the major Croatian highway project, today's A1, in the 1970s and 1980s under former Yugoslavia.

Singin ' in the Rain is another film adopted by American gay culture which used to regularly be shown during the 1980s and early 1990s for extended runs.

Harvard Square was originally the northwestern terminus of the Red Line and a major transfer point to streetcars that also operated in a short tunnel — which is still a major bus terminal, although the area under the Square was reconfigured dramatically in the 1980s when the Red Line was extended.

Glace Bay is the second largest urban community in population and was the island's main coal mining centre until its last mine ceased operation in the 1980s.

This is similar to the English decade names ( 1980s, meaning the years 1980 – 1989 ).

The Commodores is an American funk / soul band of the 1970s and 1980s.

A sudden transition to democracy, these experts contend, would result in the economic and political upheaval that occurred in the Soviet Union in the late 1980s, and that by focusing on economic growth, China is setting the stage for a more gradual but sustainable transition to a more politically liberal system.

Natural gas was also discovered in the 1980s during exploration work, and this is being commercially recovered, beginning in the late 1990s.

Much of this technology is based on science developed in the 1980s and used to produce what may be some of the most impenetrable operating systems ever.

The idea that older chaparral is responsible for causing large fires was originally proposed in the 1980s by comparing wildfires in Baja California and southern California.

According to Mark Bollman, a mathematics and calculator historian and associate professor of mathematics at Albion College, the " Construction Master is the first in a long and profitable line of CI construction calculators " which carried them through the 1980s, 1990s, and to the present.

Dungeons & Dragons is known beyond the game for other D & D-branded products, references in popular culture and some of the controversies that have surrounded it, particularly a moral panic in the 1980s falsely linking it to Satanism and suicide.

" An astonishing share of the open literature in cryptography in the 1970s and 1980s dealt with the DES, and the DES is the standard against which every symmetric key algorithm since has been compared.

Mercer is perhaps best known as the ringside commentator of World Class Championship Wrestling in the 1980s.

GOTO telescopes have become more popular since the 1980s as technology has improved and prices have been reduced.

Through the late 1970s and early 1980s, the group's popularity continued to grow ( although they were always more popular in North America and Continental Europe than in their home country, never achieving a UK Top 40 single or Top 20 album ).

In the late 1980s, due to the poor financial standing of many of the Victorian clubs, the VFL pursued a more national competition.

For those more nostalgic for the true BBS experience, one can use NetSerial ( Windows ) or DOSBox ( Windows /* nix ) to redirect DOS COM port software to telnet, allowing them to connect to Telnet BBSes using 1980s and 1990s era modem terminal emulation software, like Telix, Terminate, Qmodem and Procomm Plus.

The 1980s saw severe cuts in government funding and above-inflation increases in fares and the service became more cost-effective.

The SDP favoured some Thatcherite reforms during the 1980s, such as legislation aimed at reforming the trade unions ( although the parliamentary SDP actually split three ways on Norman Tebbit's 1982 Industrial Relations bill, most voting for, some against, and others abstaining ), but took a more welfarist position than the Conservative Party, being more sceptical of Conservative welfare reforms ( particularly regarding the Health Service ).

However, in more recent years, since the end of the Bretton Woods system in 1971, with the increasing influence of Monetarist schools of thought in the 1980s, and particularly in the face of large sustained trade imbalances, these concerns — and particularly concerns about the destabilising effects of large trade surpluses — have largely disappeared from mainstream economics discourse and Keynes ' insights have slipped from view.

The team won two more Formula One drivers ' championships in the 1980s with Brazilian Nelson Piquet.

In the early 1980s, Tod Whittemore started the first Saturday dance in the Peterborough Town House, which remains one of the more popular regional dances.

According to the CIA World Factbook, Chile's " sound economic policies ," maintained consistently since the 1980s, " have contributed to steady economic growth in Chile and have more than halved poverty rates.

There are process and product guidelines in Europe that date to the early 1980s ( Germany, the Netherlands, Switzerland ) and only more recently in the UK and the US.

Since the 1980s, the more difficult problems of implementing valence bond theory into computer programs have been solved largely, and valence bond theory has seen a resurgence.

The " minicomics " form, an extremely informal version of self-publishing, arose in the 1980s and became increasingly popular among artists in the 1990s, despite reaching an even more limited audience than the small press.

Further student protests, including hunger strike and more barricades of Hamilton Hall and the Business School during the late 1970s and early 1980s, were aimed at convincing the university trustees to divest all of the university's investments in companies that were seen as active or tacit supporters of the apartheid regime in South Africa.

There were more bright spots in the 1980s.

The 1980s saw the onset of modern cheerleading with more difficult stunt sequences and gymnastics being incorporated into routines.

Of the handful of groups not taken down by disco's fall from favor, The Jacksons — and Michael Jackson in particular — stand out: In spite of having helped define the disco sound early on, they continued to make popular and danceable, if more refined, songs for yet another generation of music fans in the 1980s and beyond.

Throughout the 1980s and ' 90s, Young promised fans a follow-up to the original Decade collection, provisionally titled Decade II ; eventually, this idea was scrapped in favor of a much more comprehensive anthology to be titled Archives, spanning his entire career and ranging in size from a box set to an entire series of audio and / or video releases.

The Fairlight CMI and the Synclavier were both expensive systems, retailing for more than $ 20, 000 in the early 1980s.

Other more pop inspired bands like Hall & Oates began incorporating the digital synthesizer into their sound in the 1980s.

The semi-theatrical music and comedy troupe transformed into a ska-influenced new wave band in 1979, and then changed again towards a more guitar-oriented rock sound, in the late 1980s.