Computer reservation systems, or central reservation systems (CRS), are
computer
A computer is a machine that can be programmed to Execution (computing), carry out sequences of arithmetic or logical operations (computation) automatically. Modern digital electronic computers can perform generic sets of operations known as C ...
ized systems used to store and retrieve information and conduct transactions related to
air travel
Air travel is a form of travel in vehicles such as airplanes, jet aircraft, helicopters, hot air balloons, blimps, gliders, hang gliders, parachutes, or anything else that can sustain flight. ,
hotel
A hotel is an establishment that provides paid lodging on a short-term basis. Facilities provided inside a hotel room may range from a modest-quality mattress in a small room to large suites with bigger, higher-quality beds, a dresser, a ref ...
s,
car rental
A car rental, hire car or car hire agency is a company that rents automobiles for short periods of time to the public, generally ranging from a few hours to a few weeks. It is often organized with numerous local branches (which allow a user to ...
, or other activities. Originally designed and operated by airlines, CRSs were later extended for use by
travel agencies
A travel agency is a private retailer or public service that provides travel and tourism-related services to the general public on behalf of accommodation or travel suppliers to offer different kinds of travelling packages for each destinatio ...
, and
global distribution system
A global distribution system (GDS) is a computerised network system owned or operated by a company that enables transactions between travel industry service providers, mainly airlines, hotels, car rental companies, and travel agencies. The GDS ma ...
s (GDSs) to book and sell tickets for multiple airlines. Most airlines have
outsource
Outsourcing is an agreement in which one company hires another company to be responsible for a planned or existing activity which otherwise is or could be carried out internally, i.e. in-house, and sometimes involves transferring employees and ...
d their CRSs to GDS companies, which also enable consumer access through
Internet
The Internet (or internet) is the global system of interconnected computer networks that uses the Internet protocol suite (TCP/IP) to communicate between networks and devices. It is a '' network of networks'' that consists of private, pub ...
gateways. Modern GDSs typically also allow users to book hotel rooms, rental cars, airline tickets as well as other activities and tours. They also provide access to railway reservations and bus reservations in some markets, although these are not always integrated with the main system. These are also used to relay computerized information for users in the hotel industry, making reservation and ensuring that the hotel is not overbooked.
Airline reservations systems may be integrated into a larger
passenger service system
A passenger service system (PSS) is a series of critical systems used by airlines. The PSS usually comprises an airline reservations system, an airline inventory system and a departure control system (DCS).
Modules
Generally the PSS is made up ...
, which also includes an airline inventory system and a
departure control system
A departure control system (DCS) automates processing an airline's airport management operation, which includes managing the information required for airport check-in, printing boarding cards, baggage acceptance, boarding, load control and aircra ...
. The current centralised reservation systems are vulnerable to network-wide system disruptions.
History
Origins
In 1946,
American Airlines
American Airlines is a major airlines of the United States, major US-based airline headquartered in Fort Worth, Texas, within the Dallas–Fort Worth metroplex. It is the Largest airlines in the world, largest airline in the world when measured ...
installed the first automated booking system, the experimental
electromechanical
In engineering, electromechanics combines processes and procedures drawn from electrical engineering and mechanical engineering. Electromechanics focuses on the interaction of electrical and mechanical systems as a whole and how the two systems ...
Reservisor
Starting in 1946, American Airlines developed a number of automated airline booking systems known as Reservisor. Although somewhat successful, American's unhappiness with the Reservisor systems led them to develop the computerized Sabre system use ...
. A newer machine with temporary storage based on a
magnetic drum
Drum memory was a magnetic data storage device invented by Gustav Tauschek in 1932 in Austria. Drums were widely used in the 1950s and into the 1960s as computer memory.
For many early computers, drum memory formed the main working memory ...
, the Magnetronic Reservisor, soon followed. This system proved successful, and was soon being used by several airlines, as well as
Sheraton Hotels
Sheraton Hotels and Resorts is an international semi-luxury hotel chain owned by Marriott International. As of June 30, 2020, Sheraton operates 446 hotels with 155,617 rooms globally, including locations in North America, Africa, Asia Pacific, Ce ...
and
Goodyear for
inventory
Inventory (American English) or stock (British English) refers to the goods and materials that a business holds for the ultimate goal of resale, production or utilisation.
Inventory management is a discipline primarily about specifying the shap ...
control. It was seriously hampered by the need for local human operators to do the actual lookups; ticketing agents would have to call a booking office, whose operators would direct a small team operating the Reservisor and then read the results over the telephone. There was no way for agents to directly query the system.
The
MARS-1 train ticket reservation system was designed and planned in the 1950s by the
Japanese National Railways
The abbreviated JNR or , was the business entity that operated Japan's national railway network from 1949 to 1987.
Network Railways
As of June 1, 1949, the date of establishment of JNR, it operated of narrow gauge () railways in all 46 pref ...
' R&D Institute, now the
Railway Technical Research Institute
, or , is the technical research company under the Japan Railways group of companies.
Overview
RTRI was established in its current form in 1986 just before Japanese National Railways (JNR) was privatised and split into separate JR group compani ...
, with the system eventually being produced by
Hitachi
() is a Japanese multinational corporation, multinational Conglomerate (company), conglomerate corporation headquartered in Chiyoda, Tokyo, Japan. It is the parent company of the Hitachi Group (''Hitachi Gurūpu'') and had formed part of the Ni ...
in 1958.
[【Hitachi and Japanese National Railways】 MARS-1](_blank)
Information Processing Society of Japan
The Information Processing Society of Japan ("IPSJ") is a Japanese learned society for computing. Founded in 1960, it is headquartered in Tokyo, Japan. IPSJ publishes a magazine and several professional journals mainly in Japanese, and sponsors c ...
It was the world's first seat reservation system for trains.
[Early Computers: Brief History](_blank)
Information Processing Society of Japan
The Information Processing Society of Japan ("IPSJ") is a Japanese learned society for computing. Founded in 1960, it is headquartered in Tokyo, Japan. IPSJ publishes a magazine and several professional journals mainly in Japanese, and sponsors c ...
The MARS-1 was capable of reserving seat positions, and was controlled by a
transistor computer
A transistor computer, now often called a second-generation computer, is a computer which uses discrete transistors instead of vacuum tubes. The first generation of electronic computers used vacuum tubes, which generated large amounts of heat, ...
with a
central processing unit
A central processing unit (CPU), also called a central processor, main processor or just processor, is the electronic circuitry that executes instructions comprising a computer program. The CPU performs basic arithmetic, logic, controlling, an ...
and a 400,000-bit magnetic drum memory unit to hold seating files. It used many
registers, to indicate whether seats in a train were vacant or reserved to accelerate searches of and updates to seat patterns, for communications with terminals, printing reservation notices, and
CRT
CRT or Crt may refer to:
Science, technology, and mathematics Medicine and biology
* Calreticulin, a protein
*Capillary refill time, for blood to refill capillaries
*Cardiac resynchronization therapy and CRT defibrillator (CRT-D)
* Catheter-re ...
displays.
Remote access
In 1953,
Trans-Canada Airlines
Trans-Canada Air Lines (also known as TCA in English, and Trans-Canada in French) was a Canadian airline that operated as the country's flag carrier, with corporate headquarters in Montreal, Quebec. Its first president was Gordon Roy McGrego ...
(TCA) started investigating a computer-based system with remote
terminals, testing one design on the
University of Toronto
The University of Toronto (UToronto or U of T) is a public research university in Toronto, Ontario, Canada, located on the grounds that surround Queen's Park. It was founded by royal charter in 1827 as King's College, the first institution ...
's
Manchester Mark 1
The Manchester Mark 1 was one of the earliest stored-program computers, developed at the Victoria University of Manchester, England from the Manchester Baby (operational in June 1948). Work began in August 1948, and the first version was operat ...
machine that summer. Though successful, the researchers found that input and output was a major problem.
Ferranti Canada
Can may refer to:
Containers
* Aluminum can
* Drink can
* Oil can
* Steel and tin cans
* Trash can
* Petrol can
* Metal can (disambiguation)
Music
* Can (band), West Germany, 1968
** ''Can'' (album), 1979
* Can (South Korean band)
Other
* Can ...
became involved in the project and suggested a new system using
punched card
A punched card (also punch card or punched-card) is a piece of stiff paper that holds digital data represented by the presence or absence of holes in predefined positions. Punched cards were once common in data processing applications or to di ...
s and a
transistor
upright=1.4, gate (G), body (B), source (S) and drain (D) terminals. The gate is separated from the body by an insulating layer (pink).
A transistor is a semiconductor device used to Electronic amplifier, amplify or electronic switch, switch e ...
ized computer in place of the unreliable
tube
Tube or tubes may refer to:
* ''Tube'' (2003 film), a 2003 Korean film
* ''The Tube'' (TV series), a music related TV series by Channel 4 in the United Kingdom
* "Tubes" (Peter Dale), performer on the Soccer AM television show
* Tube (band), a ...
-based Mark I. The resulting system,
ReserVec
ReserVec was a computerized reservation system developed by Ferranti Canada for Trans-Canada Airlines (TCA, today's Air Canada) in the late 1950s. It appears to be the first such system ever developed, predating the more famous SABRE system in ...
, started operation in 1962, and took over all booking operations in January 1963. Terminals were placed in all of TCA's ticketing offices, allowing all queries and bookings to complete in about one second with no remote operators needed.
In 1953, American Airlines
CEO
A chief executive officer (CEO), also known as a central executive officer (CEO), chief administrator officer (CAO) or just chief executive (CE), is one of a number of corporate executives charged with the management of an organization especially ...
C. R. Smith
Cyrus Rowlett "C.R." Smith (September 9, 1899 – April 4, 1990) was the CEO of American Airlines from 1934 to 1968 and from 1973 to 1974. He was also the wartime deputy commander of the Air Transport Command during World War II, and the United ...
chanced to sit next to R. Blair Smith, a senior
IBM sales representative, on a flight from
Los Angeles
Los Angeles ( ; es, Los Ángeles, link=no , ), often referred to by its initials L.A., is the largest city in the state of California and the second most populous city in the United States after New York City, as well as one of the world' ...
to
New York
New York most commonly refers to:
* New York City, the most populous city in the United States, located in the state of New York
* New York (state), a state in the northeastern United States
New York may also refer to:
Film and television
* '' ...
. C.R. invited Blair to visit their Reservisor system and look for ways that IBM could improve the system. Blair alerted
Thomas Watson Jr.
Thomas John Watson Jr. (January 14, 1914 – December 31, 1993) was an American businessman, political figure, Army Air Forces pilot, and philanthropist. The son of IBM Corporation founder Thomas J. Watson, he was the second IBM president (1952 ...
that American was interested in a major collaboration, and a series of low-level studies started. Their idea of an automated
airline reservation system (ARS) resulted in a 1959 venture known as the
Semi-Automatic Business Research Environment (SABRE), launched the following year. By the time the network was completed in December 1964, it was the largest civil
data processing
Data processing is the collection and manipulation of digital data to produce meaningful information.
Data processing is a form of ''information processing'', which is the modification (processing) of information in any manner detectable by an ...
system in the world.
Other airlines established their own systems.
Pan Am
Pan American World Airways, originally founded as Pan American Airways and commonly known as Pan Am, was an American airline that was the principal and largest international air carrier and unofficial overseas flag carrier of the United States ...
launched its PANAMAC system in 1964.
Delta Air Lines
Delta Air Lines, Inc., typically referred to as Delta, is one of the major airlines of the United States and a legacy carrier. One of the List of airlines by foundation date, world's oldest airlines in operation, Delta is headquartered in Atla ...
launched the Delta Automated Travel Account System (DATAS) in 1968.
United Airlines
United Airlines, Inc. (commonly referred to as United), is a major American airline headquartered at the Willis Tower in Chicago, Illinois. and
Trans World Airlines
Trans World Airlines (TWA) was a major American airline which operated from 1930 until 2001. It was formed as Transcontinental & Western Air to operate a route from New York City to Los Angeles via St. Louis, Kansas City, and other stops, with F ...
followed in 1971 with the
Apollo Reservation System Galileo is a computer reservations system (CRS) owned by Travelport. As of 2000, it had a 26.4% share of worldwide CRS airline bookings.
In addition to airline reservations, the Galileo CRS is also used to book train travel, cruise ship, cruises, c ...
and
Programmed Airline Reservation System
Programmed Airline Reservations System (PARS) is an IBM proprietary large scale airline reservation application, a computer reservations system, executing under the control of IBM Airline Control Program (ACP) (and later its successor, Transacti ...
(PARS), respectively. Soon, travel agents began pushing for a system that could automate their side of the process by accessing the various ARSes directly to make reservations. Fearful this would place too much power in the hands of agents, American Airlines executive
Robert Crandall
Robert Lloyd "Bob" Crandall (born December 6, 1935 in Westerly, Rhode Island) is an American businessman who is the former president and chairman of American Airlines. Called an industry legend by airline industry observers, Crandall has been the ...
proposed creating an industry-wide computer reservation system to be a central clearing house for U.S. travel; other airlines demurred, citing fear of
antitrust prosecution.
Travel agent access
In 1976, United Airlines began offering its Apollo system to travel agents; while it would not allow the agents to book tickets on United's competitors, the marketing value of the convenient terminal proved indispensable. SABRE, PARS, and DATAS were soon released to travel agents as well. Following
airline deregulation
Airline deregulation is the process of removing government-imposed entry and price restrictions on airlines affecting, in particular, the carriers permitted to serve specific routes. In the United States, the term usually applies to the Airline Der ...
in 1978, an efficient CRS proved particularly important; by some counts,
Texas Air
Texas Air Corporation, also known as Texas Air, was an airline holding company, incorporated in June 1980 by airline investor Frank Lorenzo to hold and invest in airlines. The company had its headquarters in the America Tower in the American Ge ...
executive
Frank Lorenzo
Francisco Anthony "Frank" Lorenzo (born May 19, 1940) is an American businessman. He is well known for his management of Continental Airlines and Texas International Airlines, between 1972 and 1990, through airline deregulation. Lorenzo also le ...
purchased money-losing
Eastern Air Lines
Eastern Air Lines, also colloquially known as Eastern, was a major United States airline from 1926 to 1991. Before its dissolution, it was headquartered at Miami International Airport in an unincorporated area of Miami-Dade County, Florida.
Ea ...
specifically to gain control of its SystemOne CRS.
Also in 1976
Videcom international with
British Airways
British Airways (BA) is the flag carrier airline of the United Kingdom. It is headquartered in London
London is the capital and List of urban areas in the United Kingdom, largest city of England and the United Kingdom, with a populati ...
,
British Caledonian
British Caledonian (BCal) was a British private independent airline which operated out of Gatwick Airport in south-east England during the 1970s and 1980s. It was created as an alternative to the British government-controlled corporation airlin ...
and CCL launched
Travicom
Travicom was the trading name of Travel Automation Services Ltd, a travel technology company based in the United Kingdom providing a global distribution system between airlines and travel agencies.
In 1976, Videcom with British Airways, British ...
, the world's first multi-access reservations system (wholly based on Videcom technology), forming a network providing distribution for initially two and subsequently 49 subscribing international airlines (including British Airways, British Caledonian,
Trans World Airlines
Trans World Airlines (TWA) was a major American airline which operated from 1930 until 2001. It was formed as Transcontinental & Western Air to operate a route from New York City to Los Angeles via St. Louis, Kansas City, and other stops, with F ...
,
Pan Am
Pan American World Airways, originally founded as Pan American Airways and commonly known as Pan Am, was an American airline that was the principal and largest international air carrier and unofficial overseas flag carrier of the United States ...
,
Qantas
Qantas Airways Limited ( ) is the flag carrier of Australia and the country's largest airline by fleet size, international flights, and international destinations. It is the world's third-oldest airline still in operation, having been founded ...
,
Singapore Airlines
Singapore Airlines (abbreviation: SIA) is the flag carrier airline of the Republic of Singapore with its Airline hub, hub located at Singapore Changi Airport. The airline is notable for highlighting the Singapore Girl as its central figure in ...
,
Air France
Air France (; formally ''Société Air France, S.A.''), stylised as AIRFRANCE, is the flag carrier of France headquartered in Tremblay-en-France. It is a subsidiary of the Air France–KLM Group and a founding member of the SkyTeam global air ...
,
Lufthansa
Deutsche Lufthansa AG (), commonly shortened to Lufthansa, is the flag carrier of Germany. When combined with its subsidiaries, it is the second- largest airline in Europe in terms of passengers carried. Lufthansa is one of the five founding m ...
,
SAS
SAS or Sas may refer to:
Arts, entertainment, and media
* ''SAS'' (novel series), a French book series by Gérard de Villiers
* ''Shimmer and Shine'', an American animated children's television series
* Southern All Stars, a Japanese rock ba ...
,
Air Canada
Air Canada is the flag carrier and the largest airline of Canada by the size and passengers carried. Air Canada maintains its headquarters in the borough of Saint-Laurent, Montreal, Quebec. The airline, founded in 1937, provides scheduled and ...
,
KLM
KLM Royal Dutch Airlines, legally ''Koninklijke Luchtvaart Maatschappij N.V.'' (literal translation: Royal Aviation Company Plc.), is the flag carrier airline of the Netherlands. KLM is headquartered in Amstelveen, with its hub at nearby Amste ...
,
Alitalia
Alitalia - Società Aerea Italiana Società per azioni, S.p.A., operating as Alitalia (), was an Italian airline which was once the flag carrier and largest airline of Italy. The company had its head office in Fiumicino, Metropolitan City of ...
,
Cathay Pacific
Cathay Pacific Airways Limited (CPA), more widely known as Cathay Pacific (), is the flag carrier of Hong Kong, with its head office and main hub located at Hong Kong International Airport. The airline's operations and subsidiaries have sc ...
and
Japan Airlines
, also known as JAL (''Jaru'') or , is an international airline and Japan's flag carrier and largest airline as of 2021 and 2022, headquartered in Shinagawa, Tokyo. Its main hubs are Tokyo's Narita International Airport and Haneda Airport, as w ...
) to thousands of travel agents in the UK. It allowed agents and airlines to communicate via a common distribution language and network, handling 97% of UK airline business trade bookings by 1987. The system went on to be replicated by Videcom in other areas of the world including the Middle East (DMARS), New Zealand, Kuwait (KMARS), Ireland, Caribbean, United States and Hong Kong. Travicom was a trading name for Travel Automation Services Ltd. When British Airways (who by then owned 100% of Travel Automation Services Ltd) chose to participate in the development of the Galileo system Travicom changed its trading name to Galileo UK and a migration process was put in place to move agencies from Travicom to Galileo.
European airlines also began to invest in the field in the 1980s initially by deploying their own reservation systems in their homeland, propelled by growth in demand for travel as well as technological advances which allowed GDSes to offer ever-increasing services and searching power. In 1987, a consortium led by Air France and West Germany's Lufthansa developed
Amadeus
Amadeus may refer to:
*Wolfgang Amadeus Mozart (1756–1791), prolific and influential composer of classical music
*Amadeus (name), a given name and people with the name
* ''Amadeus'' (play), 1979 stage play by Peter Shaffer
* ''Amadeus'' (film), ...
, modeled on SystemOne. Amadeus Global Travel Distribution was launched in 1992. In 1990, Delta,
Northwest Airlines
Northwest Airlines Corp. (NWA) was a major American airline founded in 1926 and absorbed into Delta Air Lines, Inc. by a merger. The merger, approved on October 29, 2008, made Delta the largest airline in the world until the American Airlines ...
, and Trans World Airlines formed
Worldspan Worldspan is a provider of travel technology and content and a part of the Travelport GDS business. It offers worldwide electronic distribution of travel information, Internet products and connectivity, and e-commerce capabilities for travel agenci ...
, and in 1993, another consortium (including British Airways, KLM, and
United Airlines
United Airlines, Inc. (commonly referred to as United), is a major American airline headquartered at the Willis Tower in Chicago, Illinois. , among others) formed the competing company
Galileo GDS Galileo is a computer reservations system (CRS) owned by Travelport. As of 2000, it had a 26.4% share of worldwide CRS airline bookings.
In addition to airline reservations, the Galileo CRS is also used to book train travel, cruises, car rental, ...
based on Apollo. Numerous smaller companies such as KIU have also formed, aimed at niche markets not catered for by the four largest networks, including the
low-cost carrier
A low-cost carrier or low-cost airline (occasionally referred to as '' no-frills'', ''budget'' or '' discount carrier'' or ''airline'', and abbreviated as ''LCC'') is an airline that is operated with an especially high emphasis on minimizing op ...
segment, and small and medium size domestic and regional airlines.
Trends
For many years,
global distribution systems (GDSs) have had a dominant position in the travel industry. To bypass the GDSs, and avoid high GDS fees, airlines have started to sell flights directly through their websites. Another way to bypass the GDSs is direct connection to travel agencies, such as that of
American Airlines
American Airlines is a major airlines of the United States, major US-based airline headquartered in Fort Worth, Texas, within the Dallas–Fort Worth metroplex. It is the Largest airlines in the world, largest airline in the world when measured ...
.
Major airline CRS systems
Timeline
* Sabre Holdings was purchased by private investors
Silver Lake Partners
Silver Lake is an American global private equity firm focused on investments in technology, technology-enabled and related industries. Founded in 1999, the firm is one of the largest technology investors in the world. Its investment holdings have ...
and
Texas Pacific Group
TPG Inc., previously known as Texas Pacific Group and TPG Capital, is an American investment company based in Fort Worth, Texas. The private equity firm is focused on leveraged buyouts and growth capital. TPG manages investment funds in growth c ...
on March 30, 2007, for about US$5 billion. Full-year 2008 Sabre Holdings revenues were about US$3 billion.
* In December 2006,
Travelport
Travelport Worldwide Ltd provides distribution, technology, payment solutions for the travel and tourism industry. It is the smallest, by revenue, of the top three global distribution systems (GDS) after Amadeus IT Group and Sabre Corporation.
...
, which owns Galileo, agreed to buy and merge with the
Worldspan Worldspan is a provider of travel technology and content and a part of the Travelport GDS business. It offers worldwide electronic distribution of travel information, Internet products and connectivity, and e-commerce capabilities for travel agenci ...
GDS. The combined company would then control a 46.3% market share using 2002 airline booking data.
* Worldspan's market share is 16.9% globally and 31% in the U.S. according to 2006 MIDT airline transaction data.
* In March 2007,
KLM
KLM Royal Dutch Airlines, legally ''Koninklijke Luchtvaart Maatschappij N.V.'' (literal translation: Royal Aviation Company Plc.), is the flag carrier airline of the Netherlands. KLM is headquartered in Amstelveen, with its hub at nearby Amste ...
switched from its own reservations system (CORDA) to Amadeus as a result of the merger with
Air France
Air France (; formally ''Société Air France, S.A.''), stylised as AIRFRANCE, is the flag carrier of France headquartered in Tremblay-en-France. It is a subsidiary of the Air France–KLM Group and a founding member of the SkyTeam global air ...
.
* In February 2010,
JetBlue
JetBlue Airways Corporation (stylized as jetBlue) is a major American low cost airline, and the seventh largest airline in North America by passengers carried. The airline is headquartered in the Long Island City neighborhood of the New York C ...
converted its reservation system over to the SabreSonic Customer Sales and Service platform.
* In September 2018 Turkish Airways migrated from Sabre to Hitit
Other systems
* Polyot-Sirena
See also
*
Airline reservations system
*
Overselling#Airlines
*
Passenger name record
A passenger name record (PNR) is a record in the database of a computer reservation system (CRS) that contains the itinerary for a passenger or a group of passengers travelling together. The concept of a PNR was first introduced by airlines that n ...
*
Travel technology
Travel technology (also called tourism technology, and hospitality automation) is the application of Information Technology (IT) or Information and Communications Technology (ICT) in the travel, tourism and hospitality industry. Some forms of tra ...
*
ARINC
Aeronautical Radio, Incorporated (ARINC), established in 1929, was a major provider of transport communications and systems engineering solutions for eight industries: aviation, airports, defense, government, healthcare, networks, security, and t ...
*
Rockwell Collins
Rockwell Collins was a multinational corporation headquartered in Cedar Rapids, Iowa, providing avionics and information technology systems and services to government agencies and aircraft manufacturers. It was formed when the Collins Radio Comp ...
*
SITA (company)
SITA is a multinational information technology company providing IT and telecommunication services to the air transport industry. The company provides its services to around 400 members and 2,500 customers worldwide, which it claims is about 90 ...
References
Further reading
* Winston, Clifford
"The Evolution of the Airline Industry" Brookings Institution Press
The Brookings Institution, often stylized as simply Brookings, is an American research group founded in 1916. Located on Think Tank Row in Washington, D.C., the organization conducts research and education in the social sciences, primarily in ec ...
, 1995. . Cf. p. 61-62, Computer Reservation Systems.
* Wardell, David J
"Airline Reservation Systems" 1991. Research paper.
* Pilling, Mark
"Airline reservations systems: can IT deliver?" 2008. News Article.
External links
Consumer Web Watch: Computer Reservations System (CRSs) and Travel TechnologyHospitality.net: Galileo International Tells USDOT: Modified Computer Reservation System (CRS) Rules Necessary to Protect Consumers and Competition 18 March 2003
*Das, Samipatra.
" Hospitality.net, 30 September 2003
*Hasbrouck, Edward. ''The Practical Nomad'':
*
European Union
The European Union (EU) is a supranational political and economic union of member states that are located primarily in Europe. The union has a total area of and an estimated total population of about 447million. The EU has often been des ...
Code of conduct for use of computerized reservation systems (CRS's)
{{DEFAULTSORT:Computer Reservations System
Airline tickets
Business software
Travel technology
Tourism industry