Abstract: The present disclosure relates to a compressor including: a motor configured to generate a driving force; a compression mechanism configured to be driven by the motor to compress a refrigerant; an inverter configured to control the motor; a connector configured to electrically connect the motor and the inverter to each other; and a sealing member configured to seal a connection portion between a terminal of the motor electrically connected to the connector and the connector. Therefore, the refrigerant may be prevented from being introduced into the motor terminal and a short circuit may be prevented from occurring in the motor terminal.

Abstract: Disclosed is a copper foil including a copper layer and having a tensile strength of 29 to 65 kgf/mm2, a mean width of roughness profile elements (Rsm) of 18 to 148 ?m and a texture coefficient bias [TCB(220)] of 0.52 or less.

Abstract: A chatbot system and method conversing with other chatbots in place of a user. The chatbot system and method understand the purpose of conversation of a user, select chatbots to which the purpose of the user is to be transferred, converse with the selected chatbots in place of the user, and present the user with a result of conversation undertaken. The chatbot system converses with provider chatbots provided by property and service providers. The chatbot system includes a consumer chatbot that understands a purpose of conversation of a user, converses with the provider chatbots in place of the user, and provides a result of the conversation to the user.

Abstract: A polishing pad conditioning apparatus according to an example embodiment of the present inventive concept includes an apparatus body, a pivot arm provided on the apparatus body and including a housing having an internal space and provided at a distal end portion of the pivot arm and a head unit disposed at the distal end portion of the pivot arm. The head unit includes: a rotary motor provided in the internal space of the housing, the rotary motor including a rotary shaft; a foreign material blocking member connected to the rotary shaft; a disk holder connected to the rotary shaft; and a conditioning disk coupled to the disk holder. The foreign material blocking member includes a fluid flow groove configured to guide a movement of fluid for preventing foreign objects from entering the housing on an outer surface of the foreign material blocking member.

Abstract: The language analysis method includes collecting an online document, performing coined word filtering on the collected document based on a predetermined coined word extraction pattern and a dictionary to extract a coined word candidate which corresponds to the coined word extraction pattern and is not registered in a coined stop word dictionary, performing morpheme analysis on the extracted coined word candidate to verify a coined word candidate which does not correspond to a predetermined part of speech and is not registered in a pre-stored morpheme dictionary, refining the coined word extraction pattern, based on a result of the verification and updating the verified coined word candidate in the coined stop word dictionary, and updating the verified coined word candidate in the morpheme dictionary, based on the result of the verification.

Abstract: Provided are an interactive question answering apparatus and method, which improve an unnatural question sentence and prevent the impossibility of a question in a state which does not know additional information, thereby providing a multimodal-based question answering method enabling a person to provide a question like conversing. Also, a question answering service is exposed to potential product purchasers of content such as an image, video, audio, etc., thereby providing an environment available to advertisement market.

Abstract: Provided are a method and apparatus for searching of a similar patent based on element alignment. The method includes: extracting patent elements from an input query patent, extracting search words from the elements, and searching for a similar patent; aligning the elements of the query patent with elements of a similar patent obtained through the search and calculating a matching rate; determining whether any element has been unmatched between the elements of the query patent and the elements of the similar patent and extracting an unmatched element; determining whether an additional search is necessary and causing a user to input a paraphrase suitable to additionally search for the unmatched element when an additional search is necessary; and receiving the paraphrase input by the user, changing the unmatched element for the received paraphrase, and returning to the searching for a similar patent using the changed paraphrase.

Abstract: An electrolytic copper foil for a lithium secondary battery, which is applied as a negative electrode current collector of a lithium secondary battery, wherein when a correlation between a thermal treatment temperature of the electrolytic copper foil for a lithium secondary battery, which corresponds to a variable x, and an elongation increment ratio of the electrolytic copper foil for a lithium secondary battery, which corresponds to a variable y, is expressed as y=ax+b (100?x?200) on an x-y two-dimensional graph, the “a” value is in the range of 0.0009 to 0.0610.

Abstract: Provided are a system and method for answering a natural language question which show improved information retrieval performance. The system includes an index unit configured to analyze text of previously stored irregular documents and classify and index the irregular documents according to meanings of sentences or paragraphs, a database configured to receive and store the irregular documents indexed according to the meanings and transmitted from the index unit, a retrieval unit configured to extract an index word by semantically analyzing an input question and search the database for documents related to the extracted index word, and a provision unit configured to generate a correct answer to the question by analyzing the documents searched by the retrieval unit and provide the search results and the correct answer.

Abstract: Disclosed herein is a compressor including a motor configured to generate a driving force, a compression mechanism driven by the motor to compress a refrigerant, an inverter configured to control the motor, a connector configured to electrically connect the motor and the inverter, and a sealing member configured to seal a motor terminal of the motor that is electrically connected to the connector. Accordingly, it is possible to prevent an electric leakage from occurring in the terminal of the motor by blocking introduction of a refrigerant into the motor terminal. It is possible to prevent separation of the connector and the coil from the motor terminal.

Abstract: An electrolytic copper foil for a lithium secondary battery, which is applied as a negative electrode current collector of a lithium secondary battery, wherein after a thermal treatment at 300° C. for 30 minutes, the electrolytic copper foil for a lithium secondary battery has an elongation of 5% to 30%.

Abstract: A high strength electrolytic copper foil preventing generation of folds, wrinkles, pleats, and breaks during a roll-to-roll (RTR) process, a method of manufacturing the same, and an electrode and a secondary battery which allow high productivity to be secured by being manufactured with such an electrolytic copper foil. The electrolytic copper foil includes a copper film including 99 weight % or more of copper and a protective layer on the copper film, wherein the electrolytic copper foil has a tensile strength of 45 to 65 kgf/mm2.

Abstract: Provided is a method of providing a shared neural model by a question-answering system, the method including: learning a shared neural model on the basis of initial model learning data; providing a plurality of user terminals with the shared neural model upon completing the learning of the shared neural model; upon the user terminal updating the shared neural model to a personalized neural model, collecting the updated personalized neural model; updating the shared neural model on the basis of the collected personalized neural model; and providing the updated shared neural model to the plurality of user terminals.

Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By using the organic electroluminescent compound according to the present disclosure, it is possible to produce an organic electroluminescent device which has a low driving voltage, excellent current and power efficiencies, and improved operation lifespan.

Abstract: A chatbot system and method conversing with other chatbots in place of a user. The chatbot system and method understand the purpose of conversation of a user, select chatbots to which the purpose of the user is to be transferred, converse with the selected chatbots in place of the user, and present the user with a result of conversation undertaken. The chatbot system converses with provider chatbots provided by property and service providers. The chatbot system includes a consumer chatbot that understands a purpose of conversation of a user, converses with the provider chatbots in place of the user, and provides a result of the conversation to the user.

Abstract: An electronic device is provided. The electronic device includes a housing that includes a front surface, a rear surface facing away from the front surface, and a side surface surrounding a space between the front surface and the rear surface, wherein the front surface includes a dielectric substance having a first permittivity and the rear surface includes a dielectric substance having a second permittivity, an antenna array that is positioned adjacent to the side surface, radiates a millimeter wave signal, the antenna array including at least one antenna element, a communication circuit that is electrically connected with the antenna array and communicates by using the millimeter wave signal, and an electrical element that is positioned to be spaced from the antenna array by a specified distance such that a radiation pattern of the millimeter wave signal radiated from the antenna array has a directivity toward the side surface.

Abstract: Semiconductor devices and methods of forming the same are provided. Semiconductor devices may include a plurality of gate electrodes that are stacked on a substrate and are spaced apart from each other in a vertical direction and a channel region extending through the plurality of gate electrodes in the vertical direction. Each of the plurality of gate electrodes may include a first conductive layer defining a recess recessed toward the channel region, and a second conductive layer in the recess defined by the first conductive layer. A first concentration of impurities in the second conductive layer may be higher than a second concentration of the impurities in the first conductive layer, and the impurities may include nitrogen (N).

Abstract: A high strength electrolytic copper foil preventing generation of folds, wrinkles, pleats, and breaks during a roll-to-roll (RTR) process, a method of manufacturing the same, and an electrode and a secondary battery which allow high productivity to be secured by being manufactured with such an electrolytic copper foil. The electrolytic copper foil includes a copper film including 99 weight % or more of copper and a protective layer on the copper film, wherein the electrolytic copper foil has a tensile strength of 45 to 65 kgf/mm2.

Abstract: Disclosed is a copper foil including a copper layer and having a tensile strength of 29 to 65 kgf/mm2, a mean width of roughness profile elements (Rsm) of 18 to 148 ?m and a texture coefficient bias [TCB(220)] of 0.52 or less.

Abstract: A semiconductor memory device may include a substrate, gate electrode structures stacked on the substrate, insulation patterns between the gate electrode structures, vertical channels penetrating through the gate electrode structures and the insulation patterns, and a data storage pattern. The vertical channels may be electrically connected to the substrate. The data storage pattern may be arranged between the gate electrode structures and the vertical channels. Each of the gate electrode structures may include a barrier film, a metal gate, and a crystal grain boundary plugging layer. The crystal grain boundary plugging layer may be between the barrier film and the metal gate.